| 单词 | 饮恨吞声 | ||||||||||||||||||||||||||||||||||||||||||||||||||||
| 释义 | 饮恨吞声 —harbor a grudge with deep-seated hatred [idiom.]See also:吞声—swallow one's cries
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我们切不要吞饮仇恨辛酸 的苦酒，来解除对于 自由的饮渴。 peaceoneday.org | Let us not seek to satisfy our thirst [...] for freedom by drinking from the cup of bitterness and hatred. peaceoneday.org |
据报道，使用 LMA™ 气道的不良反应包括： 气 道 阻 塞 [...] 、 杓 状 软 骨 脱 位 、 吸 入 、 出 血 、 憋气、支气管痉挛、咳嗽、牙齿/义齿损伤、 口干/咽干、构音障碍、吞咽困难、发 声困 难、节律紊乱，耳痛、窒息、胃扩张/充气/ 破裂、声门闭合、头部和颈部水肿、听力损 伤、呃逆、声音嘶哑、唾液增多、舌下神经麻 [...] 痹、缺氧、喉血肿、喉痉挛、舌神经麻痹、口 [...] 腔溃疡、心肌缺血、恶心、腮腺肿胀、咽部感 觉迟钝、咽部溃疡、肺水肿、喉返神经损伤、 反胃、干呕、下巴疼痛、口腔疼痛、喉咙疼 痛、喘鸣、颌下腺肿大、颞下颌关节脱位、组 织创伤（会厌、喉、唇、口腔、后咽壁、软 腭、悬雍垂、扁桃体）、舌头发紫、舌头肿 大、声带麻痹和呕吐。 vitaid.com | Adverse events reported with LMATM airway use include airway obstruction, arytenoids dislocation, aspiration, bleeding, breath holding, bronchospasm, coughing, dental/denture damage, [...] dry mouth/throat, [...] dysarthria, dysphagia, dysphonia, dysrhythmia, ear pain, gagging, gastric dilatation/insufflation/rupture, glottic closure, head [...]and neck edema, hearing [...]impairment, hiccup, hoarseness, hypersalivation, hypoglossal nerve paralysis, hypoxia, laryngeal hematoma, laryngeal spasm, lingual nerve paralysis, mouth ulcer, myocardial ischemia, nausea, parotid gland swelling, pharyngeal dysesthesia, pharyngeal ulcer, pulmonary edema, recurrent laryngeal nerve injury, regurgitation, retching, sore jaw, sore mouth, sore throat, stridor, submandibular gland swelling, temporomandibular joint dislocation, tissue trauma (epiglottis, larynx, lip, mouth, posterior pharyngeal wall, soft palate, uvula, tonsils), tongue cyanosis, tongue macroglossia, vocal cord paralysis, and vomiting. vitaid.com |
能量饮品不应有误导消费者的宣称，例 如 声 称 饮 用 该 产品后不需要睡眠或适合于运动时用作止渴。 cfs.gov.hk | Energy drinks should not carry misleading [...] claims such as suggesting that they can reduce the requirement for sleep or can [...]be consumed in association with sport as a thirst quencher. cfs.gov.hk |
不过，这可 以由多个因素来解释，包括：新系统正在实现其提供公正和快速结果的目标，因 [...] 此，工作人员在一些情况下更经常使用新系统寻求救济，而以往他们会对所认为 的不公正选择忍气吞声；新 系统使甚至高层人员必须为其决定负责，从而使工作 [...] 人员对系统产生信任；越来越多的工作人员对法庭对投诉的处理感到满意；内部 [...] 司法办公室、主管行政和管理事务副秘书长办公室管理评价股和其他部门加强了 关于通过诉诸该系统获得司法救济的机会的宣传。 daccess-ods.un.org | It might be explained, however, by a number of factors, including that the new system is achieving its goals of delivering impartial and quick results and, accordingly, staff are using it more often to seek redress in situations when previously they would have tolerated [...] the frustration involved in the perceived [...] injustice; that the new system makes [...]even high-ranking staff accountable for their [...]decisions and thus engenders trust in the system; that there is growing satisfaction with the treatment accorded to complaints by the Tribunals; and that there has been increased outreach by the Office of Administration of Justice, the Management Evaluation Unit in the Office of the Under-Secretary-General for Management and others on the availability of justice through recourse to the system. daccess-ods.un.org |
Ghanea 女士总结了五条初步 结论：(a) 讨论表达自由的限度不能 脱离根 据 整 个公约所承 担 的总体义务，例 如，法律面前人人平等，应有的程序 和 [...] 少数人 的权利等；(b) [...] 与表达没有合理的联系的随意的或有人指挥的暴力行为不应成为对 表达自由加以限制的理由；(c) 在仇恨本身 就引起暴力的地方，表明了一种更广泛 [...]的暴力模式；启动了第 20 条就表明国家没有能够保证第 26 条所规定的不受歧视 [...] 的权利；(d) 第 20 条也要求有仔细的分成不同等级的制裁；最低一级，不应侵害 表达本 身 ，最高一级，可引 发制裁 ；要小心不要让 限制对总的表达自由造 成 消极 影响；(e) 在国家范畴内还需要其他的行动。 daccess-ods.un.org | Ms. Ghanea drew five preliminary conclusions: (a) the discussion on limitations to freedom of expression could not be dissociated from the overall obligations under the Covenant as a whole, such as full equality before the law, due process and rights of minorities; (b) random or orchestrated acts of violence that have no reasonable link to expression should not [...] justify limitations to freedom of [...] expression; (c) where hatred itself incited to [...]violence, it showed a broader pattern [...]of violations; triggering article 20 demonstrated a failure of the State to guarantee the right to non-discrimination under article 26; (d) article 20 also required a careful and calibrated range of sanctions; at a minimum, it should not infringe expression itself and at a maximum it could trigger sanction; care had to be taken for the limitations not to have a chilling effect on freedom of expression in general; and (e) other actions in the national sphere were needed. daccess-ods.un.org |
大会第六十五届会议请秘书长就决议执行情况向大会第六十六届会议提交 [...] 报告，包括说明诽谤宗教与不同宗教和不同种族交汇，世界许多地区煽动、不容 忍和仇恨言行 激增之间的关联以及各国为消除这一现象而采取的步骤(第 [...]65/224 号决议)。 daccess-ods.un.org | At its sixty-fifth session, the General Assembly requested the Secretary-General to submit at its sixty-sixth session, a report on the implementation of the present resolution, including the correlation between defamation of religions and the intersection of [...] religion and race, the upsurge in incitement, [...] intolerance and hatred in many parts of [...]the world and steps taken by States to [...]combat that phenomenon (resolution 65/224). daccess-ods.un.org |
结果表明，类核周体为线粒体、高尔基体、内质网等膜性细胞器聚集的场所；线粒体自身也可演变成卵黄前颗粒，参与构成卵黄小板的成分 ； 吞饮 泡 和 髓样小体是卵母细胞利用外源卵黄物质的中间媒介。 actazool.org | Vitellogenesis in nonmammalian verteberate species results from the harmonious activity of the ooplasm and the organelles. Vitellogenesis is the consequence of whole cell activity, therefore intracellular pathways involved in vitellogenesis are diverse rather than unitary. actazool.org |
应当重视提高该地区各国在以下方面 的能力：确保可持续安全饮用水 的供应，城市水资源的开发和管理战略，以及与城市及其周 [...] 边排水和卫生相关的问题，恢复恶化了的水生态系统，对正在消失的水资源进行研究、预防 和解决与水资源问题有关的冲突问题，建立分地区水观察站、研究某些生态系统、尤其红树 [...]林系统的可持续性，以及利用当地知识来保护环境。 unesdoc.unesco.org | Emphasis should be placed on enhancing the capabilities of [...] countries of the region to secure [...] sustainable and safe drinking water supplies, urban [...]water development and management [...]strategies as well as issues related to urban and peri-urban drainage and sanitation, the rehabilitation of degraded water ecosystems, research on disappearing water resources, aspects of conflict prevention and resolution in relation to water issues, the creation of subregional water observatories, research in the sustainability of certain ecosystems and in particular of mangrove systems, as well as drawing on local knowledge for the protection of the environment. unesdoc.unesco.org |
来文方认为，指控“制作和流通诽谤的文件，传播混淆视听和引发疑虑的 信息，在社区中煽动暴力、仇恨和分 裂”以 及 声 称 他“宣传心理战，传播捏造新 闻以便在人民中间煽动混乱”没有得到哪怕一项事实的支持。 daccess-ods.un.org | In the source’s view, the accusations that Cu Huy Ha Vu “produced and circulated documents of defamation to disseminate [...] confusion, suspicion among the [...] population, and incite violence, hatred and division among communities” [...]and supposedly “propagated [...]psychological warfare and spread fabricated news in order to foment confusion among people” are not supported by a single fact. daccess-ods.un.org |
在这方面，各位部长认为，促进充分尊重各国间所有宗教和文化十分重 [...] 要，以促进并确保充分享受言论自由权，同时防止滥用并煽动宗教 仇 恨 ， 因 为 这可能会破坏进行中努力在不同宗教、文化和文明间互相尊重和容忍的基础上 [...]促进和平文化，如各国均为缔约方的国际人权文书中所规定的那样。 daccess-ods.un.org | The Ministers considered, in this regard, the importance of promoting full respect of all religions and cultures among all States, with a view to promoting and ensuring the full enjoyment of the right to freedom of [...] expression while preventing abuses and [...] incitement to religious hatred that could contribute [...]to undermining the ongoing efforts [...]to foster a culture of peace based on mutual respect and tolerance among religions, cultures and civilisations, as provided for in the international human rights instruments to which States are parties. daccess-ods.un.org |
这种对邪恶的和诱惑罪在最后的日子的精神得到普遍观点，特别强调在Ḥasidean学校，因此之间的tannaitic和救世主的来临之前的时间世界末日图片惊人的相似：“在最后的日子假先知 [假救世主 ]和腐化将增加，羊变成狼被打开，爱被 仇 恨 ; 无 法 无天 [见匪徒 ]将占上风，导致男人的 仇 恨 ， 迫害，并提供了对方;和撒旦，'世界骗子'（见箴），将执行中的神的儿子幌子创造奇迹，作为地球的统治者犯下奇闻的罪行“（”十二使徒遗训，“十六3起。 mb-soft.com | This view of the prevalence of the spirit of evil and seduction to sin in the last days received special emphasis in the Ḥasidean schools; hence the striking resemblance between the tannaitic and the apocalyptic picture of the time preceding the Messianic advent: "In the last days false prophets [pseudo-Messiahs] and corrupters will increase and sheep [...] be turned into [...] wolves, love into hatred; lawlessness [see Belial] will prevail, causing men to hate, persecute, [...]and deliver up each other; [...]and Satan, 'the world-deceiver' (see Antichrist), will in the guise of the Son of God perform miracles, and as ruler of the earth commit unheard-of crimes" ("Didache," xvi. 3 et seq. mb-soft.com |
外源性卵黄主要通过卵质膜的微吞饮 活 动 从卵周隙或卵泡细胞中摄取外源物质来形成 [动物学报 51(1): 133 -141，2005]。 actazool.org | Exogenous yolk formation was carried out primarily by active microphagocytosis of the plasma membrane which uptook the exogenous materials from the perivitelline space or follicular cells [Acta Zoologica Sinica 51(1): 133-141 , 2005]. actazool.org |
阿塞拜疆共和国一再指出，虽然各方不断作出政治努力，促进在普遍接受 [...] 的国际法准则和原则基础上尽早解决冲突，但占领国亚美尼亚共和国通过在被 [...] 占领阿塞拜疆领土上开展各种非法活动等途径推行的政策和表现的行径清楚地 证明，其意图是吞并这 些领土（例如，见阿塞拜疆最近散发的文件：A/64/760S/2010/211）。 daccess-ods.un.org | The Republic of Azerbaijan has repeatedly stated that, despite ongoing political efforts towards the earliest resolution of the conflict on the basis of the generally accepted norms and principles of international law, the policy and practice of the Republic of Armenia, the occupying Power, implemented inter alia through various illegal activities in the occupied territories of [...] Azerbaijan, clearly testify to its intention [...] to secure the annexation of these territories [...](see, for example, the most recent [...]document circulated by Azerbaijan: A/64/760-S/2010/211). daccess-ods.un.org |
在塔吉克斯坦，有四个特征构成了联合国发展援助框架的基础，即许多基础服务 的质量的下降和获得基础服务机会的减少（比如教育和保健）和严酷的山区地形（自 然资源的可持续管理、备灾）、临时出现民主价值观（决策的问责制、法制与人权以 [...] 及区域稳定）和重建家园中更大的家庭和社区举措（经济机会、获得干净 的 饮用 水）。 unesdoc.unesco.org | In Tajikistan four features form accordingly the basis of the UNDAF, namely decline in the quality of and access to many basic services (e.g. education and health) and the demanding mountainous terrain (sustainable management of natural resources, disaster preparedness), a tentative appearance of democratic values (accountability of decision-making, rule of law and human rights and regional stability), and greater [...] household and community initiative in rebuilding their livelihoods (economic opportunities, [...] access to clean drinking water). unesdoc.unesco.org |
安理会还在关于“恐怖主义行为对国际和平与安全造成的威胁”的第 1373/2001 号决议(安理会“关切地注意到国际恐怖主义与跨国有组织犯罪、非法 药物、洗钱、非法贩运军火、非法运送核、化学、生物和其他潜在致命材料之间 的密切联系”和关于“非洲和平与安全”的主 席 声 明 (S /PRST/2009/32)(“安理 会关切地注意到，贩毒和相关的跨国有组织犯罪在一些情况下对包括非洲在内的 世界不同区域的国际安全构成严重威胁”)中，从较广泛的角度审议了该问题)。 daccess-ods.un.org | It also considered the issue from a more general point of view in resolution 1373 (2001) on threats to international peace and security caused by terrorist acts (the Council “[noted] with concern the close connection between international terrorism and transnational organized crime, illicit drugs, money-laundering, illegal arms-trafficking, and illegal movement of nuclear, chemical, biological and other potentially deadly materials”) and in the presidential statement (S/PRST/2009/32) on peace and security in Africa (“the Security Council notes with concern the serious threats posed in some cases by drug trafficking and related transnational organized crime to international security in different regions of the world, including in Africa”). daccess-ods.un.org |
几个代表团指出，私营标准在他们国家对进出口和经济有负面影响，特别是小规 [...] 模的生产商；实施困难；没有科学基础；制定标准不公开透明；没有解决标准争议的程 序；声称这些标准比公共标准安全可能会误导消费者。 codexalimentarius.org | Several delegations pointed out that private standards had a negative impact on export and economies in their countries, especially on small scale producers; they were difficult to implement; they were not based on science; their development was not open [...] and transparent; there was no dispute [...] settlement procedure for these standards; [...]and claims stating that these standards were [...]safer than public standards might mislead consumers. codexalimentarius.org |
教科文组织办事处中缺乏具有专业知识的国际工作人员，在过去的计划实施中 落下缺乏连续性的名声，在 众多的教科文组织小规模经常方案活动中吸收一小部分教科文组 [...] 织成员，所有这些并未使该国成为一个可进行大规模合作的合作伙伴。 unesdoc.unesco.org | The lack of professional international staff in the UNESCO [...] office, its spotty reputation for programme [...]delivery in the past, the absorption of [...]its small number of staff in numerous small UNESCO regular programme activities, did not make the country office a likely partner for larger-scale collaboration. unesdoc.unesco.org |
绝不允许在下列方面采取减损措施：个人尊严和自由发展权利，生命权， 身心健全不可侵害权；禁止奴役、苦役和强迫劳动；被剥夺自由者得到人道待遇 [...] 的权利；得到公正审判的权利；在刑法中得到法律确定性的权利；法人权利；公 民权利；思想、良心和宗教信仰自由；出于良心拒服兵役的权利；自由表达民族 [...] 隶属的权利；禁止煽动种族、民族和宗教 仇 恨 ； 结 婚和配偶平等权利；生育自 由；儿童权利；禁止强迫同化。 daccess-ods.un.org | Derogation measures are by no means permitted in terms of: the right to dignity and free development of individuals, right to life, right to inviolability of physical and mental integrity; prohibition of slavery, servitude and forced labour; right to humane treatment of persons deprived of liberty; right to a fair trial; right to legal certainty in criminal law; right to legal person; right to citizenship; freedom of thought, conscience and religion; right to conscientious objection; right to freedom of expressing national [...] affiliation; prohibition of inciting racial, ethnic [...] and religious hatred; right to enter [...]into marriage and equality of spouses; freedom [...]to procreate; rights of the child; prohibition of forced assimilation. daccess-ods.un.org |
根据联合国损失登记册细则和条例第 11 [...] 条的规定，满足以下条件的索赔有 资格列入登记册：(a) 索赔人为自然人或法人；(b) 索赔人已实际满足提交索赔 的技术要求；(c) 索赔在损失登记册的管辖范围内；(d) 索赔人表明在声称的损 失中拥有合法的权益；(e) 声称的损失必须是物质损失；(f) 索赔人必须表明声 称的 损失同在巴勒斯坦被占领土修建隔离墙有因果关系； ( g) 声称的 损失事实上 是持续性的；(h) 索赔的佐证文件和主张实质上是一致的；(i) 根据索赔人提交 的资料和文件，索赔已有初步证据，在某些没有相反证据的情况下假定索赔人说 [...] 的是实话，同时铭记索赔人的产权和居民身份不尽相同。 daccess-ods.un.org | In accordance with article 11 of the Rules and Regulations, claims are eligible for inclusion in the Register if: (a) the claimant is a natural or legal person; (b) the claimant has substantially met the technical requirements for submitting a claim; (c) the claim is within the jurisdiction of the Register of Damage; (d) the claimant has established a legal interest in the claimed damage; (e) the claimed damage is material; [...] (f) the claimant has [...] established a causal link between the claimed damage and the construction of the Wall in the Occupied Palestinian Territory; (g) the claimed damage was in fact sustained; (h) the documents and assertions in support of the claim [...]are substantially [...]consistent; and (i) the claim has been established prima facie, based on the information and documents submitted by the claimant, giving the claimant the benefit of the doubt in appropriate cases and bearing in mind the varying circumstances with regard to title and residency status of claimants. daccess-ods.un.org |
以色列违反国际法、人权法和国际人道主义法的 行为一直在增多，其很多做法就证明了这一点，例如 在没有任何合法理由的情况下将 10 000 名巴勒斯坦 人拘押在以色列监狱和拘留所中；无视国际法院的咨 询意见，持续修建种族主义隔离墙；违反安全理事会 第 1860(2009)号决议和大会第 ES-10/18 号决议，对 加沙地带实行严密封锁；在西岸设置障碍和检查站； 以色列内阁规定犹太人作出效忠宣誓，以孤立以色列 境内的以色列籍阿拉伯人口；以色列议会最近的立法 对撤出已被以色列吞并的 阿拉伯被占领土规定了新 的苛刻条件，但通过全民投票或经议会三分之二多数 通过则除外；以及由于时间关系，我们不能一一列举 的其他许多违法行为。 daccess-ods.un.org | Israel’s violations of international law, human rights law and international humanitarian law have been increasing, as manifested by many practices, such as the detention of 10,000 Palestinians in Israeli jails and detention facilities without any legal grounds; the continued construction of the racist separation wall, in defiance of the advisory opinion of the International Court of Justice; the tight siege of the Gaza Strip, contrary to Security Council resolution 1860 (2009) and General Assembly resolution ES-10/18; the barriers and checkpoints in the West Bank; the Jewish loyalty oath instituted by the Israeli Cabinet to isolate the Arab-Israel population in Israel; the recent Knesset legislation setting stringent new conditions on any withdrawal from the occupied Arab territories annexed to Israel except through a referendum or the approval of a two-third majority of the Knesset; and many other violations that time will not permit us to list. daccess-ods.un.org |
根據工廠及工業經營（危險物質）規例的條文，工業經營的東 主必須在盛載 受規例管制的化學物品的容器㆖加㆖標籤，提供有關該等化 [...] 學物品固有危險成分的資料，並確保其公司已制訂所需的安全預防措施，以 及補救辦法，應付有化學物品洩溢，或有㆟接觸到、吸入 或 吞 ㆘ 或 化學物品 的情況。 legco.gov.hk | Under the Factories and Industrial Undertakings (Dangerous Substances) Regulations, the proprietor of an industrial undertaking is required to label the containers holding chemicals controlled under these regulations, to give information on the risks inherent in the chemicals and to ensure that the safety precautions [...] required and remedial measures in case of spillage, contact [...] with, inhalation or swallowing of the chemicals are [...]in place. legco.gov.hk |
并发用户容量主要受限于调度信令和业务信道资源，在多小区模 拟加载环境下，采用 20MHz 带宽的 TD-LTE 系统、2:2 的下行与上行 时隙比例和 10：2：2 的特殊时隙配比，每个小区可支持 200 个终端 同时在线，且下行吞吐量均保持在 100kbps 以上，上行吞吐量均保持 在 50kbps 以上。 tdia.cn | Concurrent user capacity is mainly limited by scheduling signaling and traffic channel resources, in multi-cell simulation loading environment, by adopting TD-LTE system with 20MHz, 2:2 DL/UL time slot allocation and special time slot allocation of 10:2:2, each cell can support 200 terminals to be on-line at the same time, with downlink throughput being kept above 100kbps and uplink throughput above 50kps. tdia.cn |
更多的非法做法包括：通过驱逐巴勒斯坦居民改 变耶路撒冷的人口组成和法律地位；根据建造一个有 20 个住房单元组成的新定居点的计划拆毁位于东耶 路撒冷的历史悠久的牧羊人酒店，该计划威胁到巴勒 [...] 斯坦领土的地理连续性和任何未来巴勒斯坦国的生 存能力；耶路撒冷市政府最近通过了一项在东耶路撒 冷周围建造 124 个新住房单元的计划；耶路撒冷规划 [...] 委员会最近宣布了规定在被占领的西岸 被 吞 并 的土 地上为犹太定居者再建造 [...]1 400 个住房单元的新计 划。 daccess-ods.un.org | Additional illegal practices include changing the demographic composition and legal status of Jerusalem by expelling Palestinian inhabitants; the destruction of the historic Shepherd Hotel in East Jerusalem under a plan to construct a new settlement of 20 housing units, which threatens the geographic contiguity of the Palestinian territories and the viability of any future Palestinian State; the recent adoption by the municipal Government of Jerusalem of a plan to build 124 new housing units around East Jerusalem; and the recent announcement by the Jerusalem planning commission of a new plan [...] providing for the construction of a further 1,400 housing units for Jewish settlers in annexed [...] land in the occupied West Bank. daccess-ods.un.org |
至 少，儿童有权获得一套基本的社会服务，其中包括高质量的医疗保健、充足的食 物、住房、安全饮用水 和卫生设施、以及初级教育，从而使他们得以充分成长， [...] 远离疾病、营养不良、文盲和其他的形式的匮乏。 daccess-ods.un.org | At a minimum, children are entitled to a package of basic social services that includes [...] high-quality health care, adequate food, [...] housing, safe drinking water and sanitation [...]and primary education, so that they [...]can grow to their full potential, free of disease, malnutrition, illiteracy and other deprivations. daccess-ods.un.org |
大会第六十四届会议通过了关于享有 饮 水 和卫生设施的人权的决议，其中大 会欢迎人权理事会决定请与享有安全 饮 用 水 和卫生设施有关的人权义务问题独 立专家向大会提交年度报告，鼓励独立专家继续按照其任务全面开展工作，并与 联合国所有相关机构、基金和方案协商，在其提交大会第六十六届会议的报告中 介绍在实现享有安全清洁饮水和 卫生设施的人权方面存在的主要挑战以及这些 挑战对实现千年发展目标努力的影响(第 64/292 号决议)。 daccess-ods.un.org | At its sixty-fourth session, the General Assembly [...] adopted a resolution on the [...] human right to water and sanitation in which it welcomed the decision of the Human Rights Council to request that the independent expert on human rights obligations related to access to safe drinking water and sanitation submit an annual report to the Assembly and encouraged her to continue working on all aspects of her mandate and, in consultation with all relevant United Nations agencies, funds and programmes, to include in her report to the Assembly, at its sixty-sixth session, the principal challenges related to the realization of the human right to safe and clean drinking water [...]and sanitation and their [...]impact on the achievement of the Millennium Development Goals (resolution 64/292). daccess-ods.un.org |
但是，如果有条件解释性声明实 际上 的“行为好像”一保 留，是否符合保留允许性条件的问题对于条约关系的内容和(甚至存在)并没有实 际的影响。 daccess-ods.un.org | However, in the event that the conditional interpretative declaration actually “behaves like” a reservation, the question of whether it meets the conditions for the permissibility of reservations does have a real impact on the content (and even the existence) of treaty relations. daccess-ods.un.org |
英汉双解词典包含2273206条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。