| 单词 | hydrazine |
| 释义 | 例句释义: 肼,联氨,联胺,无水肼,肼类 1. America said the satellite's hydrazine fuel might have caused injury if USA-193 had fallen to earth intact. 美国称要是USA-193完整无缺地掉到地上，这颗卫星携带的联氨燃料可能造成危害。 ecocn.org 2. A fireball and a vapor cloud seen after the strike appeared to indicate the toxic hydrazine fuel had been destroyed, he said. 他说，攻击之后所见到的火球和蒸汽云，表明有毒的联氨燃料已被摧毁。 www.suiniyi.com 3. Hydrazine is similar to chlorine or ammonia in that it affects the lungs and breathing tissue, the general said. 将军说，肼的性质与氯和氨类似，它会引起肺部和呼吸道疾病。 www.bing.com 4. Nanometer copper powders were prepared from acidic waste etching solution containing copper using hydrazine hydrate as a reductive agent. 以酸性蚀刻废液为铜源，水合肼为还原剂，采用液相还原法制备纳米铜粉。 www.chemyq.com 5. It was found that an increase in the stability of the combustor was obtained simply by gelling the hydrazine . 发现简单地通过肼胶化的方法可使燃烧室的稳定性提高。 www.bing.com 6. Pervaporation , hollow fiber module , hydrazine-water , modeling, simulation. 渗透蒸发，中空纤维组合，，联氨-水，模型，模拟。 192.83.194.188:8080 7. Ultrafine copper powder was prepared using hydrazine hydrate as reducing agent and ammonia water as the complexing agent. 以氨水作为络合剂，使用水合肼作为还原剂制备超细铜粉，通过正交实验确定最优工艺。 dictsearch.appspot.com 8. The crosslinking reaction between keto group and hydrazine group was proved by FTIR and TEM (transmission electron microscope) technology. 用傅里叶红外光谱和透射电镜证实了酮羰基与肼基之间发生了交联反应。 dictsearch.appspot.com 9. In this paper, bendazac lysine was synthesized from phenyl hydrazine by 4 steps, and an overall yield was up to 46. 8%. 本文报道以苯肼为起始原料，经4步反应，制得苄达赖氨酸，总收率可达46. www.ceps.com.tw 10. Technicians examine the alignment of the GOES-O satellite and prepare to load the oxidizer and hydrazine propellants. 技术人员检查了的GOES-O的卫星定线，准备加载氧化剂和肼推进剂。 www.bugutang.com 1. The synthesis of hydrazine derivates and application to amination reaction were investigated in details. 本论文对肼的衍生物的合成以及其在氨基化反应中的应用做了研究。 www.fabiao.net 2. The heater's job is to prevent hydrazine fuel in a feed pipe to a unit from freezing. 加热器的工作是预防装置进料管中的联氨燃料冻结。 treasure.1x1y.com.cn 3. Conclusion The reduction method with hydrazine hydrate has the advantages of mild condition, reproducibility and higher yield. 结论水合肼还原法具有反应条件温和、重复性好，产物易分离提纯、转化率较高的优点。 dictsearch.appspot.com 4. Firstly, a series of hydrazine derivates were synthesized by reference. The synthetic method was simple, shortcut and high efficient. 首先，我们参考有关文献，合成了一系列的肼的衍生物，合成路线简便、快捷、收率较好。 www.fabiao.net 5. The article gives a review of the application of hydrazine hydrate in the synthesis of agrochemicals. 综述了水合肼在各种农药合成中的应用。 www.ceps.com.tw 6. Hydrazine perchlorate and lithium perchlorate form two eutectics. 过氯酸肼和过氯酸锂形成两种低共熔物。 www.kuenglish.info 7. The goal is to hit the satellite just before it enters Earth's atmosphere and blast it apart so that the hydrazine tank explodes. 用导弹打击卫星的目的是在它进入地球大气前把它撞开，使得肼罐泄露。 www.bing.com 8. FTIR spectra confirmed the crosslink reaction between ketone and hydrazine group. FTIR图谱表示酮羰基与酰肼基发生交联反应生成了腙； www.fabiao.net 9. This review describes the property, preparation use, present situation and development of hydrazine hydrate. 本文介绍了水合肼的性能制备、应用、现状与发展趋势。 www.showxiu.com 10. in ethanol, dimethyl ether, hydrazine in the presence of ethanol and hydrogen bonds is hydrazine. 在乙醇、二甲醚、联氨中存在氢键的是乙醇和联氨。 women.zhishi.sohu.com 1. They contain the toxic rocket fuel hydrazine, which can cause harm to anyone who contacts it. 引擎携带有有毒的火箭燃料，任何人接触都有危险。 treasure.1x1y.com.cn 2. Recently the reactivity of nitric esters in the presence of hydrazine has been investigated . 人们近来研究了有肼存在时硝酸酯的反应性。 www.bing.com 3. Organic derivatives of hydrazine or of hydrox-melamine. 肼（联氨）及胲（羟胺）的有机衍生物。 www.china-customs.com 4. The hydrazine argument is similarly suspect. 关于肼的说法也同样可疑。 www.stnn.cc 5. The K, Na in hydrazine hydrate are determinated by Flame Photometry, Ca, Mg are determinated by Flame atomic absorption spectrometry. 采用水浴蒸发方法将水合肼主体除去，火焰光谱法测定钾、钠，原子吸收法测定钙、镁。 dictsearch.appspot.com 6. 5-Amino-1, 2, 3-taishan can be composed through a series of reactions at diethyl carboxylate, hydrazine hydrate and chloroacetaldehyde. 介绍了以碳酸二甲酯、水合肼和氯乙醛为原料通过系列反应合成5-氨基-1,2,3-噻二唑的方法。 www.ceps.com.tw 7. Engineers believe the use of booster hydrazine fuel will freeze in the near future. 工程师认为它的推进器使用的联氨燃料不久就将冻结。 dictsearch.appspot.com 8. The craft, a spy satellite, was carrying around 450kg of toxic hydrazine fuel. 这颗间谍卫星大约运载着450千克有毒联氨燃料。 www.bing.com 9. Here were bugs that created hydrazine, an extremely unstable compound, used as rocket fuel, that is poison to most living things. 这些微生物可以产生一种叫联氨的极不稳定的化合物，联氨通常作为火箭燃料，对多数的生物都是有毒害的。 www.bing.com 10. lower concentration of hydrazine hydrate, eased the cost. 3. 不必使用高浓度水合肼，可显著降低成本。 www.fabiao.net 1. President George W. Bush ordered the destruction of the satellite, which was carrying a toxic fuel called hydrazine. 美国总统乔治?布什（GeorgeW.Bush）下令击毁这颗携带有毒燃料联氨的卫星。 www.ftchinese.com 2. The ethanol and hydrazine hydrogen-oxygen bond, nitrogen, hydrogen bond in the molecule at one end. 而乙醇和联氨的氢氧键、氮氢键在分子的一端。 women.zhishi.sohu.com 3. An acyl derivative of hydrazine. 酰肼一种由肼衍生而来的酰 dict.ebigear.com 4. The government said it was because the satellite's fuel tank contained hydrazine, which is toxic. 政府说那是因为卫星的燃料箱里有剧毒的联氨（hydrazine）。 www.bing.com 5. Fabrication of a Self-assembling Film Electrode Containing Vanadium-oxygen Phthalocyanine and Its Electrocatalytic Oxidation for Hydrazine 钒氧酞菁分子沉积自组膜电极的组装及其对肼的电催化研究 www.ilib.cn 6. Study of Process Conditions of Reclaiming Chromium from Electrodeposition Chromium Waste Liquid Using Hydrazine Hydrate 用水合肼回收电沉积铬废液中铬的工艺条件研究 www.ilib.cn 7. Characterization of Catalyst for Hydrazine Decomposition and Its Deactivation Mechanism 肼分解催化剂的表征及失活机理研究 www.ilib.cn 8. Numerical and Experimental Investigation of Blowdown Characteristic for Satellite Hydrazine Propulsion System 卫星单元肼推进系统落压工作特性的数值仿真与试验 www.ilib.cn 9. Preparation and Application of the Polypropylene Acyl Hydrazine Macromolecular Compound 丙烯酸酰联氨高分子化合物的制备与应用研究 www.ilib.cn 10. Detecting the Concentration of Unsymmetrical Dimethyl Hydrazine in the Air by the Method of Coulomb Titration 恒电流动态库仑法检测空气中偏二甲肼 www.ilib.cn 1. thermal control of monopropellant catalytic decomposition hydrazine engines in important portion of space propulsive system 单组元肼分解发动机的热控制与热分析是空间推进系统重要组成部分。 www.ichacha.net 2. A method for rapid preparation of hydrazine-kaolinite intercalation complex and its significance 快速制备肼-高岭石插层复合物的方法及意义 service.ilib.cn 3. Foreign Research and Development Progress of Preparation and Purification Methods for Hydrazine Hydrate and Anhydrous Hydrazine 国外水合肼、无水肼制备及提纯方法研发进展 hxtjjygfzcl.nextage.cn 4. Study of Virtual Instrument in Hydrazine Propellant Monitoring 虚拟仪器在肼类推进剂监测中的应用研究 service.ilib.cn 5. Determination of Hydrazine Anhydrous by Flow-Injection Analysis with Chemiluminescence Detection 流动注射化学发光测定大气环境中的肼 service.ilib.cn 6. Study on direct electrochemical behavior of hydrazine and its derivatives at solid electrodes 肼及其衍生物在固体电极上的直接电化学行为研究 www.ilib.cn 7. Achievements on the Application of Hydrazine and Related Compounds for the Synthesis of Five-Membered Azole Heterocycles 肼类衍生物在五元唑类杂环合成中的应用进展 www.ilib.cn 8. space systems - fluid characteristics - hydrazine propellant 航天系统.流体特性.联氨推进剂 www.ichacha.net 9. Study on Treatment of Unsymmetrical Dimethyl-hydrazine Wastewater by Supercritical Water Oxidation Process 超临界水氧化偏二甲肼废水的研究 www.ilib.cn 10. Determination of nine metal impurity in the propellant of hydrazine compounds by graphite furnace atomic absorption spectrometry 石墨炉原子吸收法测定肼类推进剂中九种金属杂质 service.ilib.cn 1. Study of Hydrazine Deoxygenation in Neutral Aqueous Solution 中性水质中催化联氨除氧效果试验研究 www.ilib.cn 2. Equipment for Purifying Wastewater Containing Hydrazine and Recovering Hydrazine 含肼废水的净化和肼回收装置的研究 service.ilib.cn 3. Preparation of Rare Earth Oxides with High Specific Surface Area by Thermal Decomposition of Hydrazine-Containing Rare Earth Oxalates 含肼稀土草酸盐热分解制备大比表面积稀土氧化物 www.ilib.cn 4. Synthetical utilization of rejected material from hydrazine hydrate production by Carbamide method 尿素法水合肼生产过程中废弃物的综合利用 www.ilib.cn 5. Study on Synthesis and Anion Recognition of the Fluorescence Receptor Containing Acyl-Hydrazine 含酰肼结构荧光受体的合成及其阴离子识别研究 service.ilib.cn 6. with diphenyl hydrazine spectrophotometric Determination of hexavalent chromium in soil samples to restore the situation; 用二苯碳酰二肼分光光度法测定土样中的六价铬还原情况； learning.zhishi.sohu.com 7. Synthesis of Ammonia and Hydrazine in a Dielectric Barrier Discharge at Ambient Pressure 常压介质阻挡放电合成氨和联氨 www.dlmu.edu.cn 8. Studies on extension tests of removing ammonia from by-product salt slag of hydrazine hydrate by a heating-method 热法除水合肼副产盐渣中氨的扩试研究 service.ilib.cn 9. Preparation of Hydrazine from Sodium Hypochlorite Containing Sodium Chloride 含盐次氯酸钠酮连氮法制备水合肼研究 www.ilib.cn 10. Risk Analysis and Control Measures Against Poisoning of Unsymmetrical Dimethyl Hydrazine 偏二甲肼作业中的中毒风险分析及防制对策 scholar.ilib.cn 1. Modified Natural Manganic Ore by Hydrazine Hydrate and Decolorization of Methyl Orange by Modified Manganic Ore 天然锰矿的水合肼改性及对甲基橙的去除作用 www.ilib.cn 2. Numerical study on hydrazine arcjet thruster working exchangeability 肼电弧喷射推力器工作方式可替换性数值研究 www.ilib.cn 3. Analysis of Hydrazine Compounds Reactions under Moderate to High Temperatures and Their Reductive Effect on NOx in the Flue Gases 肼类物质中高温区的化学反应分析及其对焚烧烟气中NOx的净化研究 www.ilib.cn 4. An Experimental Study on Apoptosis and Proliferation of Cardiac Fibroblast Induced By Hydrazine 肼对大鼠心肌成纤维细胞增殖和凋亡影响的实验研究 www.ilib.cn 5. Toxicology of Unsymmetrical Dimethyl Hydrazine and Protection for Exposed Staff 偏二甲肼的毒理和接触人员的安全防护 www.ilib.cn 6. Determination of iron in pyrite samples by stannous chloride-hydrazine sulfate-ceric sulfate method 氯化亚锡-硫酸肼-硫酸铈滴定法测定铁 www.ilib.cn 7. Present Situation of Production and Applications of Hydrazine and Proposal of Development 肼的生产应用现状及发展建议 www.ilib.cn 8. Reduction of Aromatic Nitro Compounds with Hydrazine Hydrate Catalyzed by Iron Oxide Hydroxide in Water 水中氢氧化氧铁催化水合肼还原芳香族硝基化合物 www.ilib.cn 9. Synthesis and characterization of transitional metal complexes with ferroconyl benzyl hydrazine 二茂铁甲酰基苄基肼过渡金属配合物的合成与表征 ilib.cn 10. Preparation of magnetic cobalt nanoparticles by reducing hydrazine 联氨还原法制备磁性钴纳米粒子 www.ilib.cn 1. A Study on Degradation Laws of the Unsymmetrical Dimethyl Hydrazine in Water Systems 偏二甲肼在水体中的降解规律研究 hxtjjygfzcl.nextage.cn 2. Advances in Hydrazine Hydrate Catalytic Reduction of Nitro Aromatic Compounds 芳硝基物的水合肼催化还原研究进展 www.ilib.cn 3. Determination of As and Hg in propellant of hydrazine compounds by atomic absorption spectrometry 原子吸收法测定肼类推进剂中汞、砷 www.ilib.cn 4. Hygienic standard for unsymmetrical dimethyl hydrazine in water sources 水源水中偏二甲基肼卫生标准 www.ichacha.net 5. Gelation of Hydrazine Nitrate-hydrazine Hydrate Double Components 硝酸肼-水合肼双元体系凝胶化研究 www.ilib.cn 6. Methods for analysis of water for boiler and for cooling--The determination of hydrazine 锅炉用水和冷却水分析方法联氨的测定 www.bing.com 7. Synthesis and Characterization of Rare Earth Metal Complexes of Ferrocenylcarbonyl Benzyl Hydrazine 二茂铁甲酰基苄基肼的稀土配合物的合成与表征 www.ilib.cn 8. Hygienic standard for unsymmetric dimethyl hydrazine in residential area air 居住区大气中偏二甲基肼卫生标准 zhidao.baidu.com 9. Application of Photo Ionization Detector in Hydrazine Monitoring 光离子化技术在肼类气体监测中的应用 service.ilib.cn 10. Development, Current Situation and Prospect of Hydrazine Hydrate 水合肼的发展、现状、展望 hxtjjygfzcl.nextage.cn 1. Determination of Molybdenum in Tailings by Hydrazine Sulfate Reduction-Ammonium Vanadate Titratry 硫酸肼还原-钒酸铵滴定法测定尾矿中钼 www.ilib.cn 2. Preparation of nickel nanoparticles by reducing hydrazine 联氨还原法制备镍纳米粒子 service.ilib.cn 3. Progress in Research on Hydrazine Decomposition Catalysts 肼类分解催化剂研究进展 www.ilib.cn 4. Preparation of Silver Nanoparticles by Reducing Hydrazine 水合肼还原法制备银纳米粒子 www.ilib.cn 5. Preparation of copper nanoparticles by reducing hydrazine 联氨还原法制备铜纳米粒子 www.ilib.cn 6. Numerical and experimental studies for temperature field of monopropellant hydrazine thruster 单组元肼推力器温度场仿真及试验 service.ilib.cn 7. Evaluation of Uncertainty for Determination of Anhydrous Hydrazine in Air 空气中无水肼含量测量不确定度评定 www.ilib.cn 8. Adiabatic stability analysis of benzoyl hydrazine and p-Nitro phenyl hydrazine 苯甲酰肼与对硝基苯肼的热稳定性分析 www.ilib.cn 9. Exploration on Treatment of Boiler Feedwater without Hydrazine 锅炉给水停加联氨处理的探索 www.ilib.cn 10. A Review of the Production Technology and Application on Hydrazine Hydrate 水合肼的生产技术及其应用进展 www.ilib.cn 1. Synthesis of Sodium of Diethyl Oxalacetate and Reaction with Phenyl Hydrazine 钠代草酰乙酸乙酯的合成及与苯肼的反应 www.ilib.cn 2. Determination of trace butyral hydrazine in peanut by gas chromatography 气相色谱法检测花生中丁酰肼残留 www.ilib.cn 3. Computer control system of the water supply and ammonia adding, hydrazine adding of the boiler 锅炉给水加氨、加联胺的计算机控制系统 ilib.cn 4. Development of Remote and Multiple-channel Monitoring System for Propellant of Hydrazine Compounds 肼类推进剂远距离多通道监测系统的研制 www.ilib.cn 5. The synthesize technology and market Analysis of Hydrazine Hydrate 水合肼合成技术与市场分析 service.ilib.cn 6. Improvement on units of crude hydrazine hydrate refining procedure 粗水合肼精制工序的装置改进 www.ilib.cn 7. The Reasons and Countermeasures on Error of Hydrazine Hydrate Analyzing 水合肼分析中误差产生的原因及对策 www.ilib.cn 8. A method of automatic water treatment for ammonification and hydrazine in power plant boiler 电厂锅炉加氨加联胺的自动水处理方法 ilib.cn 9. Automatic Controller of Feed-water Hydrazine Dosing System In Coal-fired Power Plant 火电厂联氨加药系统的自动控制 ilib.cn 10. Cause Analysis of Influence Analytical Error of Hydrazine Hydrate 影响水合肼分析误差的原因分析 service.ilib.cn 1. Process research of producing sodium percarbonate through by- product alkali slag of hydrazine hydrate 水合肼副产碱渣制过碳酸钠工艺研究 www.ilib.cn 2. Progress on Production Technology of Hydrazine Hydrate 水合肼生产技术进展 www.ilib.cn 3. Phenyl- hydrazine Measuring by Gas Assimilating Method 气体吸收法测定苯肼 service.ilib.cn 4. Cleaner production process for hydrazine hydrate 水合联氨清洁生产工艺 www.ilib.cn 5. Development and Application of Hydrazine Hydrate 水合肼的开发与应用 www.ilib.cn 6. Preparation of Silver Powders by Reduction Method with Hydrazine 水合肼还原法制备超细银粉的研究 www.ilib.cn 7. The Optimal Design of Hydrazine Bottle System to Reduce Vibration in Satellite 卫星肼瓶系统减振优化设计 www.ilib.cn 8. Study on Reduction of Nitro Aromatic Compounds with Hydrazine Hydrate in Water 水中水合肼还原芳香族硝基化合物的研究 www.ilib.cn 9. Health standard for hydrazine in the air of workplace 车间空气中肼卫生标准 www.ichacha.net 10. Summary on continuous evaporation process of hydrazine hydrate 水合肼连续蒸发技术总结 www.ilib.cn 1. Kinetics of oxidation of unsymmetrical dimethy-hydrazine in supercritical water 偏二甲肼超临界水氧化动力学研究 service.ilib.cn 2. Synthesis and Applications of Hydrazine Hydrate 水合联氨的合成及应用 service.ilib.cn 3. Technologies for Hydrazine Fuels Waste Gases Control 肼类燃料蒸汽污染控制技术 service.ilib.cn 4. Design of the Dynamic Hydrazine Vapor Generator 肼类动态标准气体发生装置的设计 www.ilib.cn 5. Optimization of Production Process of Hydrazine Hydrate 水合肼生产工艺优化 service.ilib.cn 6. Research in removal of sodium carbonate from hydrazine hydrate 除去水合肼中碳酸钠的方法研究 www.ilib.cn 7. Study on the preparation of hydrazine hydrate by the urea method 尿素法制备水合肼的研究 www.ilib.cn 8. Study on transport kinetics of hydrazine across blood-brain barrier in rats 肼跨血脑屏障转运动力学的研究 www.ilib.cn 9. Oxidation Decomposition of Hydrazine in Nitric Acid 硝酸介质中肼的氧化分解 www.ilib.cn 10. Health standard for monomethyl-hydrazine in the air of workplace 车间空气中一甲基肼卫生标准 ascetlan.bokee.com 1. Determination of Hydrazine Using the Inhibitory Effect of Hydrazine on the Reaction of Neutral Red with Nitrite 利用肼抑制中性红与亚硝酸根反应光度法测定肼 service.ilib.cn 2. A Study on the Reduction of p-Nitroacetanilide with Hydrazine Hydrate 水合肼还原对硝基乙酰苯胺的研究 www.ilib.cn 3. Acute unsymmetric dimethyl hydrazine poisoning-a report of 10 cases 急性偏二甲基肼中毒10例报告 service.ilib.cn 4. Hygienic standard for hydrazine in residential area air 居住区大气中肼卫生标准 www.ichacha.net 5. Hydrobromic Acid Hydrazine; 一氢溴酸肼； www.vbochem.com 6. I Phased Monopropellant I Hydrazine Boosters 定相组件推进剂联氨推进器 www.neoedmund.net 7. Analysis of Yield and Optimization of Parameters Based on BP Neural Network for Hydrazine hydrate Synthesis 基于BP网络模型的水合肼合成收率预测及参数优化 www.ilib.cn 8. Hygienic standard for hydrazine in water sources 水源水中肼卫生标准 blog.globalimporter.net 9. Hydrazine, its derivatives and their salts 肼，肼的衍生物以及它们的盐类 www.onlystar.com 10. Study on the process of producing sodium percarbonate through by - product of hydrazine hydrate- caustic sludge 利用水合肼副产碱渣制过碳酸钠工艺研究 www.ilib.cn 1. The Automatic Ammonia and Hydrazine Dosing System of Feedwater in Power Plant 电厂给水加氨、联胺自动加药控制系统 ilib.cn 2. A High Powerful Primary Explosive--Nickel Hydrazine Azide 高威力配合物起爆药--叠氮肼镍 www.ilib.cn 3. Review of Gas Test Technology of Hydrazine Rocket Propellant 肼类火箭推进剂气体检测技术 www.ilib.cn 4. Study on anisotropic etching of silicon in hydrazine 肼对硅片的各向异性腐蚀技术研究 service.ilib.cn 5. Hygienic standard for monomethyl-hydrazine in air of residential areas 居住区大气中一甲基肼卫生标准 zhidao.baidu.com 6. The Hydrazine Fuels and the Environment Pollution 肼类燃料与环境污染 service.ilib.cn 7. Hygienic standard for monomethyl hydrazine in water sources 水源水中一甲基肼卫生标准 www.ichacha.net 8. standard test method for hydrazine in water 水中肼含量的标准试验方法 www.ichacha.net 9. The Study on Preparation of the Nickel Nano Particles by Reduction with Hydrazine 肼还原法制备纳米镍粉的研究 www.ilib.cn 10. Reutilization of by-product salt slag of hydrazine hydrate 水合肼副产盐渣的回收利用 www.ilib.cn 1. If the test for the free hydrazine does n 当游离肼不合格时，对测定有何影响？ wenku.baidu.com 2. The study and application of oxidation reaction in the production of hydrazine hydrate 水合肼生产中氧化反应的研究和应用 www.ilib.cn 3. Test Method for Hydrazine in Water 水中水合肼的试验方法 www.mapeng.net 4. The Effect of Hydrazine on Blue Membrane 肼对蓝膜的影响 www.pibb.ac.cn 5. Studies on reaction between methyl 3, 5-dinitrobenzoate and hydrazine hydrate 3,5-二硝基苯甲酸甲酯与水合肼的反应研究 www.ilib.cn 6. The development of electrochemical sensor for IEEE 1451 networked unsymmetrical dim ethyl hydrazine gas 1451网络化偏二甲肼气体电化学传感器的研制 www.ilib.cn 7. Study on the cyclic reaction between 1-benzoyl-3-arylthiourea and hydrazine hydrate 1-苯甲酰基-3-芳基硫脲与肼的成环反应研究 service.ilib.cn 8. The Development of Hydrazine Fuel Gases Detection 肼类燃料气体检测技术 service.ilib.cn |
| 随便看 |
|
英汉双解词典包含2704715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。