| 单词 | betaine |
| 释义 | 例句释义: 甜菜碱,内酸盐,甜菜硷,三甲铵乙内酯,内铵盐 1. Clinical studies have shown that betaine is able to protect the skin against mechanical and chemical injury. 临床研究表明，甜菜碱能有效避免机械和化学对皮肤的损伤。 word.hcbus.com 2. and extracting high-purity betaine crystals by taking absolute methanol as an extracting agent through crystallization and the other means. 利用无水甲醇作为萃取剂通过结晶处理等手段提取高纯甜菜碱晶体。 ip.com 3. Choline monooxygenase (CMO) and betaine aldehyde dehydrogenase (BADH) are the two key enzymes for betaine synthesis. 胆碱单加氧酶（CMO）和甜菜碱醛脱氢酶（BADH）是合成甜菜碱的两个关键酶。 paper.pet2008.cn 4. A simple and rapid determination method for betaine in pig tissues was developed using capillary electrophoresis (CE). 建立了毛细管电泳法快速测定猪体组织中甜菜碱含量的方法。 tech.zidian8.com 5. Betaine is an important osmoregulation substance, which can increase plant stress resistance. 甜菜碱是植物重要的渗透调节物质，可以增强植物的抗逆性。 www.fabiao.net 6. Betaine and its ramification are applied widely in chemical industry, printing and dyeing, c. . . 甜菜碱及其衍生物在化工、印染、日化、医药、食品、饲料等领域都有广泛的用途。 www.chemyq.com 7. Under acute heat stress, supplementary betaine chloride could variously decrease levels of glucose, triglyceride in serum. 在急性热应激下，添加甜菜碱可不同程度地降低血清中葡萄糖、甘油三酯的水平。 word.hcbus.com 8. The functions and activities of betaine provided a basis for the application of betaine as vessel additives and human drug candidate. 这为甜菜碱用作饲料添加剂和人类疾病治疗的备选药物提供了依据，有助于甜菜碱应用范围的拓展。 www.chemyq.com 9. Health and performance of broiler chickens improve with betaine supplement, especially under conditions of heat stress. 日粮添加甜菜碱可提高肉鸡的生产性能和健康水平，尤其是在热应激条件下，情况更是如此。 www.guojixumu.com 10. The invention discloses a new betaine ester derivative, an organic silicon material, a preparation method and application thereof. 本发明公开了一种新的甜菜碱酯衍生物、有机硅材料及其制备方法和用途。 ip.com 1. A betaIne commonly occurrIng In the liver and In skeletal muscle that functions In fatty acid transport across mitochondrial membranes. 肉（毒）碱一种甜菜碱，通常出现在肝和骨骼肌里，在脂肪酸穿过线粒体膜的运输过程中起作用 dict.ebigear.com 2. The effects of betaine of different concentrations on the VB12 production were investigated with different feeding strategies. 考察了不同补料策略下，不同的甜菜碱浓度对维生素B12合成的影响。 journal.ecust.edu.cn 3. Betaine hydrochloride is a powerful lipotropic and increases gastric acid. 盐酸甜菜碱是强大的抗脂肪肝物，并可增加胃酸。 blog.sina.com.cn 4. The main products are betaine, composite betaine, Allicin, cysteamine, Fungicide, complex enzyme, the smell of, such as in flavor. 主要产品有甜菜碱，复合甜菜碱，大蒜素，半胱胺，防霉剂，复合酶，香味素，腥味素等。 www.tonke.cn 5. The paper reported the new technology of synthesizing betaine . 报道了合成甜菜碱的新工艺。 word.hcbus.com 6. Betaine was also detected in Chinese leymus. 在羊草中也已测出有甜菜碱的积累。 word.hcbus.com 7. As a result, high levels of glycine betaine accumulated in the seeds of transformed plants. 因此，高水平的甜菜碱积累转化的种子植物。 www.syyxw.com 8. Betaine is regarded as being a kind of small, non-toxic osmoprotectant and plays an important role in plant salt-tolerance. 甜菜碱是一种小分子、非毒性的渗透调节物质，在植物耐盐中起着重要的作用。 paper.pet2008.cn 9. Betaine HCL is important to add to certain acid dependent digestive enzymes so that they work better. 甜菜碱盐酸重要的是，添加到一定酸依赖的消化酶，使他们更好地工作。 www.southchinaiov.org 10. Objective: To study how the way in which betaine promotes the proliferation of mouse spleen lymphocytes is related to calcium channels. 中文摘要：目的：研究甜菜碱促进小鼠脾淋巴细胞的增殖作用与钙通道的关系。 word.hcbus.com 1. Advances in Study of Betaine and Its Genetic Engineering for Salt Tolerance Improvement of Plants 甜菜碱与植物耐盐基因工程 ilib.cn 2. Molecular Cloning and Characterization of a Betaine-aldehyde Dehydrogenase Gene in Descurainia Sophia 播娘蒿甜菜碱醛脱氢酶基因的克隆和表达分析 www.ilib.cn 3. Physiological characteristics and yield components in betaine aldehyde dehydrogenase transgenic rice after flowering under drought stress 干旱胁迫下转甜菜碱醛脱氢酶基因水稻花后生理特性及产量构成 www.ilib.cn 4. Cloning of the Betaine Aldehyde Dehydrogenase Gene from Escherichia coli and its Expressions in Tobacco 大肠杆菌甜菜碱醛脱氢酶基因的克隆及其在烟草中的表达 www.ilib.cn 5. Cloning and Analysis of a Homologous Fragment of Betaine Aldehyde Dehydrogenase Gene from Spinach 菠菜甜菜碱醛脱氢酶基因同源片段的克隆与序列分析 ilib.cn 6. Optimization preparation technology of a betaine-type vinyl monomer by uniform design 均匀设计法优化新型甜菜碱型单体的制备工艺 www.ilib.cn 7. Biosynthetic Pathway of Glycine Betaine and its Application in Genetic Engineering 甜菜碱合成途径及其在基因工程育种中的应用 www.ilib.cn 8. Relationship Between Drought Resistance and Betaine Aldehyde Dehydrogenase in the Shoots of Different Genotypic Wheat and Sorghum 不同基因型小麦和高梁的抗旱性与其种芽甜菜碱醛脱氢酶的关系 ilib.cn 9. A Study On Seed Germination and Seedling Salt-tolerance of the Transformed Betaine Aldehyde Dehydrogenase Gene Rice 转甜菜碱醛脱氢酶基因水稻种子萌发和苗期耐盐性的研究 ilib.cn 10. Advancement on Extraction and Isolation as well as Quantitative Determination of Betaine 甜菜碱的提取分离及测定方法研究进展 www.ilib.cn 1. Function of Betaine and Its Prospect of Application on Livestock Husbandry 甜菜碱的作用机理及其在畜牧上的应用前景 www.ilib.cn 2. The comparison between the carnitine and betaine in nutritional physiology 肉碱和甜菜碱营养生理作用比较 www.ilib.cn 3. Synthesis and property study of the new type betaine softener 新型甜菜碱柔软剂的合成与性能研究 www.ilib.cn 4. Screening in Field and Physiological Analysis on Transgenic Maize with Betaine Aldehyde Dehydrogenase Gene 转甜菜碱醛脱氢酶基因玉米的田间筛选及生理分析 www.ilib.cn 5. Nonaqueous titration for determination of betaine hydrochloride 非水滴定法测定盐酸甜菜碱的含量 www.ilib.cn 6. Mechanism of betaine surfactant solution on residual oil after water flooding in ultralow interfacial tension 超低界面张力下甜菜碱型表面活性剂水驱残余油的作用机理 www.ilib.cn 7. Effects of Betaine on hyperhomocysteinemia and lipid peroxidation rats with ethanol-induced liver injury 甜菜碱对酒精性肝损伤大鼠高同型半胱氨酸血症和肝脂质过氧化的影响 www.ilib.cn 8. Expression of BADH and Betaine Content in Wheat Cultivars with Different Drought Resistance under Drought Stress 干旱胁迫下不同抗旱性小麦BADH表达及甜菜碱含量的变化 scholar.ilib.cn 9. Characteristics of grain filling for transgenic rice lines expressing betaine aldehyde dehydrogenance gene under dry cultivation 旱作条件下转甜菜碱醛脱氢酶基因水稻籽粒灌浆特性的研究 www.ilib.cn 10. Study on the Physiology of Transgenic Rice Seedlings with Gene of Betaine Aldehyde Dehydrogenase Gene under Salt Stress 盐胁迫下转甜菜碱醛脱氢酶基因水稻幼苗耐盐生理的研究 ilib.cn 1. Application of Capillary Electrophoresis to the Determination of Glycine Betaine in Wheat 小麦叶片中甘氨酸甜菜碱含量的毛细管电泳测定方法研究 www.ilib.cn 2. Studies on Physiological Effects of Exogenous Betaine on the Salt Tolerance and Their Mechanisms in Mulberry 外源甜菜碱对桑树抗盐生理的影响及其作用机理的研究 ilib.cn 3. Circulating Extraction of Polysaccharides and Betaine from Cistanche deserticola Enhanced with Ultrasonic Wave 循环超声强化提取肉苁蓉中多糖和甜菜碱 www.ilib.cn 4. Effect of Methionine Hydroxy Analogue and Betaine on Acute Hot Stress Condition on the Productive Performances of Broilers 蛋氨酸羟基类似物及甜菜碱在急性热应激下对肉鸡生产性能的影响 scholar.ilib.cn 5. Effects of diets containing different levels of methionine and betaine on the performance and carcass of broiler 不同水平甜菜碱和蛋氨酸对肉鸡生产性能的影响 www.ilib.cn 6. Isolation and Induced Expression of Betaine Aldehyde Dehydrogenase Gene from Spinach 菠菜甜菜碱醛脱氢酶基因的分离和诱导表达 ilib.cn 7. The Influence of Betaine on Growth of Tissue and Organ for Broilers Under the Heat Stress 不同剂量甜菜碱对热应激肉鸡组织器官发育的影响 www.ilib.cn 8. The Biosynthesis of Betaine and the Genetic Engineering of Its Relative Genes 甜菜碱的合成及与其相关基因的遗传工程 www.ilib.cn 9. Comparison of Physiological and Nutritional Effects between Betaine and L-carnitine 甜菜碱与L-肉碱生理及营养作用的比较 www.ilib.cn 10. Determination of betaine and its premix using gravity method 重量法测定甜菜碱和甜菜碱预混剂中甜菜碱含量 www.ilib.cn 1. Effects of Betaine on Endocrinology of Laying Hens and Its Mechanism 甜菜碱促蛋鸡产蛋的内分泌作用机制 www.wanfangdata.com.cn 2. Production of Transgenic Rice with Betaine Aldehyde Dehydrogenase Gene 转甜菜碱醛脱氢酶基因水稻的获得 ilib.cn 3. Changes in Glycine Betaine and Related Enzyme Contents in Amaranthus tricolor Under Salt Stress 盐胁迫下三色苋甜菜碱及有关酶含量的变化 ilib.cn 4. Protective effects of betaine hydrochloride against hypoxic mice 盐酸甜菜碱对缺氧小鼠的保护作用 www.ilib.cn 5. Improved Preparation of Betaine Hydrochloride 盐酸甜菜碱制备工艺的改进 service.ilib.cn 6. Advance on research for gene engineering of plant betaine aldehyde dehydrogenase 植物甜菜碱醛脱氢酶基因工程研究进展 ilib.cn 7. Effects of Betaine on Some Parameters of Edible Quality in Muscle and Carapace of Chinese Soft-shelled Turtle 甜菜碱对中华鳖肌肉和裙边食用品质指标的影响 ilib.cn 8. Effects of Betaine and DL-methionine on Performance and Carcass Compositions of Meat Ducklings 甜菜碱和DL-蛋氨酸对肉用仔雌鸭生长性能和胴体组成的影响 www.ilib.cn 9. Study on synthesis and property of betaine softener of triethanolamine stearic acid ester 三乙醇胺硬脂酸酯甜菜碱柔软剂的合成及性能研究 www.ilib.cn 10. Effect of Betaine on Broiler Product Performance and Fat Metabolism in Different Stage Supplement 不同时期添加甜菜碱对肉鸡生产性能和脂肪代谢的影响 www.ilib.cn 1. Research on the micro-emulsification technics of new softener of betaine 新型甜菜碱柔软剂微乳化技术的研究 www.ilib.cn 2. Effects of Betaine on Growth Performance and Carcass Characteristics in Growing Pigs 甜菜碱对生长猪的生长性能和胴体组成的影响 www.ilib.cn 3. Production and Salt-tolerant Research of Transgenic Ricewith Betaine Aldehyde Dehydrogenase Gene 转甜菜碱醛脱氢酶基因水稻的获得及其耐盐性研究 ilib.cn 4. Effects of exogenous betaine on physiological responses of peach tree under water stress 外源甜菜碱对水分胁迫下桃树生理响应的影响 www.ilib.cn 5. Studies on the effects of betaine and approach to mechanism of the effects in weaned pigs 甜菜碱对子猪胴体组成的影响及其作用机理 www.ilib.cn 6. Effect of Exogenous Glycine Betaine on Polyamines and Ions Content of Barley Seedlings under Salt Stress 外源甜菜碱对盐胁迫下大麦幼苗体内多胺和离子含量的影响 service.ilib.cn 7. Determination of betaine in betaine feed additive and betaine premix by colorimetry 比色法测定甜菜碱和甜菜碱预混剂中甜菜碱的含量 service.ilib.cn 8. The Roles and Relationships of Betaine, Methionine and Choline in Supersession 甜菜碱、蛋氨酸和胆碱在动物新陈代谢中的作用及相互关系 www.ilib.cn 9. Effects of exogenous betaine on salt-stress tolerance for two varieties in the leaves of maize seedlings 外源甜菜碱对两种玉米耐盐性影响的研究 service.ilib.cn 10. Advances in Effect and Mechanism of Betaine on Carcass Composition of Growing-finishing Pig 甜菜碱对生长肥育猪胴体组成的影响及其机理研究进展 www.ilib.cn 1. Application of betaine in preventing and curing chicken coccidiosis 甜菜碱在防治鸡球虫病中的应用 ilib.cn 2. Improved synthesis of betaine hydrochloride 甜菜碱盐酸盐合成工艺的改进 www.ilib.cn 3. Effect of betaine on growth performance, carcass and serum traits of growing - finishing pigs 甜菜碱对生长肥育猪生产性能、胴体性状及血清生化指标的影响 www.ilib.cn 4. The Effects of Exogenous Betaine on Photosynthesis of Peach Leaves under Water Stress 水分胁迫下外源甜菜碱对桃叶片光合作用的影响 www.ilib.cn 5. A Review on Betaine-Biosynthesized Pathway and Genetic Engineering in Plants 植物甜菜碱合成途径及基因工程研究进展 ilib.cn 6. Experiment on the Growth and Meat Quality of Broiler with the Addition of Betaine on the Ration 甜菜碱对肉鸡生长和肉质的影响试验 www.ilib.cn 7. Study on Preventive Effect of Betaine on experimental Hyperlipidemia and Fatty Liver in Mice 甜菜碱预防小鼠高脂血症和脂肪肝的实验研究 service.ilib.cn 8. Effect of betaine on activities of membrane protective enzymes in banana seedlings under lowtemperature stress 甜菜碱对低温胁迫下香蕉幼苗细胞膜保护酶活性的影响 www.ilib.cn 9. Effect of betaine on electrolyte concentration for broiler under acute heat stress 甜菜碱在急性热应激下对肉鸡血清离子浓度的影响 www.ilib.cn 10. Molecular Biology and Gene Engineering of Betaine Synthetase in Plant 植物甜菜碱合成酶的分子生物学和基因工程 ilib.cn 1. Effects of Exogenous Betaine on Cold Resistance of Cucumber Seedlings 外源甜菜碱对黄瓜幼苗抗冷性的影响 www.ilib.cn 2. The function of betaine aldehyde dehydrogenase in plasmgerm of plants of stress resistance 甜菜碱醛脱氢酶在抗逆境植物种质资源鉴定中的作用 www.ilib.cn 3. Betaine and Its Application in Husbandry 甜莱碱及其在养殖业上的应用 www.ilib.cn 4. Variation of Betaine and Proline Contents in Wheat Seedlings Under Salt Stress 盐胁迫下小麦甜菜碱和脯氨酸含量变化 ilib.cn 5. Effect of Betaine and Coccidian Vaccine on Prevention of Broiler Coccidiosis 应用甜菜碱及球虫疫苗防治肉鸡球虫病的效果试验 www.ilib.cn 6. Effects of betaine on immune responses of newcastle disease in broiler chicks 盐酸克林霉素对实验性猪链球菌病的药效试验 168.160.184.82:8080 7. Studies on growth-promoting mechanism of betaine in broiler chickens 甜菜碱促进肉鸡生长的作用机理研究 service.ilib.cn 8. A New Technology of Extracting Betaine from Fermented Waste Liquor of Beet Molasses 甜菜糖蜜发酵废液中提取甜菜碱新工艺研究 www.ilib.cn 9. Expression of Gene of Betaine Aldehyde Dehydrogenase in Tobacco 菠菜甜菜碱醛脱氢酶基因在烟草中的表达 www.ilib.cn 10. The Betaine and Its Application in Feed Industry 甜菜碱及其在饲料工业中的应用 www.ilib.cn 1. The Betaine and Its Application in Feed Industry 甜菜碱及其在饲料工业中的应用 www.ilib.cn 2. so genes implicated in expressing glycine betaine are considered as the most important and the most promising plant salt - tolerant genes 因此甜菜碱合成酶基因被认为是最重要和最有希望的盐胁迫抗性基因。 www.ichacha.net 3. Changes in Betaine Level in Pear, Jujube and Grapevine Leaves under Water Stress 水分胁迫下梨、枣和葡萄叶片中甜菜碱含量的变化 www.ilib.cn 4. Synergistic effect of betaine and chitosan on banana seedling's cold resistance 甜菜碱和壳聚糖对提高香蕉幼苗抗寒性的协同效应 www.ilib.cn 5. Effect of betaine on muscle, liver and serum amino acid composition in finishing swine 甜菜碱对肥育猪肌肉和肝脏及血清氨基酸组成的影响 www.ilib.cn 6. Effect of Betaine on the Regulation of the Lipid Metabolism in Laying Hen 甜菜碱调控蛋鸡脂肪代谢的机理研究 www.ilib.cn 7. Effects of betaine hydrochloride on tolerance hypoxia in mice 盐酸甜菜碱对小鼠耐缺氧作用的影响 service.ilib.cn 8. Extraction and isolation of betaine from waste liquor of beet molasses 从甜菜制糖废蜜中提取分离甜菜碱 www.ilib.cn 9. Adsorbing Properties of Betaine by Cation Exchange Resin 阳离子交换树脂对甜菜碱的吸附特性研究 www.ilib.cn 10. The effect of external betaine on membrane lipid peroxidation of wheat seedling under water stress 外源甜菜碱对干旱胁迫下小麦幼苗膜脂过氧化作用的影响 www.ichacha.net 1. Synthesis and Property of Lauroylamidopropyl Betaine 月桂酰胺丙基甜菜碱的合成及其性能 www.ilib.cn 2. Evaluation on Safety of Betaine Hydrochloride 盐酸甜菜碱安全性的初步评价 www.wanfangdata.com.cn 3. Preparative method and application of betaine 甜菜碱的制备方法及应用 service.ilib.cn 4. Effects of Betaine on Fat and Protein Metabolism in Different Stages of Swine 甜菜碱对猪不同阶段脂肪和蛋白质代谢的影响 www.ilib.cn 5. Changes of Betaine Content and Activity of Betaine Aldehyde Dehydro-Genase of Leymus chinensis in Different Saline-Alkali Grassland 不同盐碱化草地羊草甜菜碱含量和甜菜碱醛脱氢酶活性的变化 ilib.cn 6. Effect of Seed Treatment With Betaine On the Salt Resistance Of Maize Seedlings 外源甜菜碱处理种子对玉米幼苗抗盐性的影响 ilib.cn 7. Effect of Betaine on the Growth, Lipid Content of Muscle and Liver of Monopterus albus 甜菜碱对黄鳝生长及肌肉与肝脏脂肪含量的影响研究 scholar.ilib.cn 8. Protective effect of betaine and mannitol on cyclamen under the condition of high temperature stress 高温胁迫下甜菜硷和甘露醇对仙客来的保护效应 www.ilib.cn 9. Experiment of feeding broiler with betaine instead of part of methionine 甜菜碱替代部分蛋氨酸喂肉鸡的试验 www.ilib.cn 10. Research on the relationship between betaine and tumor 甜菜碱与肿瘤的关系的研究 www.8wen.com 1. An Improved Chemical Synthesizing Process of Betaine 化学法合成甜菜碱工艺的改进 service.ilib.cn 2. Effect of Exogenous Betaine on Photosynthesis of Water Stressed Leaves of Apricot 水分胁迫下外源甜菜碱对仁用杏叶片光合作用的影响 www.wanfangdata.com.cn 3. Application and Preparation of Betaine 甜菜碱的制备和应用 scholar.ilib.cn 4. Effect of betaine on unfolding thermodynamics and refolding kinetics of lysozyme 甜菜碱对溶菌酶去折叠热力学和复性动力学的影响 www.ilib.cn 5. Effect of drought stress on betaine, MDA and proline content in apple leaves 干旱胁迫对苹果叶片中甜菜碱和丙二醛及脯氨酸含量的影响 ilib.cn 6. Effect of Exogenous Betaine on Cold Resistance of Corn Seedlings 甜菜碱对玉米幼苗抗寒性的影响 service.ilib.cn 7. Studies on synthesis conditions of betaine 甜菜碱合成反应条件的研究 www.ilib.cn 8. The Preparation and Application of Betaine 甜菜碱的制备及其应用研究进展 www.ilib.cn 9. Nutrition Function and Applying Effect of Betaine 甜菜碱的营养作用和应用效果 ilib.cn 10. The Effect of Betaine on Broilers Productive Performance under Heat Stress 甜菜碱对热应激肉鸡生产性能的影响 www.ilib.cn 1. Utilization of Betaine in Meat Duck Production 甜菜碱在肉鸭生产中的应用研究 service.ilib.cn 2. A Study on the New Technology of Synthesizing Betaine 甜菜碱合成新工艺的研究 service.ilib.cn 3. Effect of betaine on the growth rate and meat quality of table poultry 甜菜碱对肉鸡生长和肉质的影响 service.ilib.cn 4. Study on Interfacial Chemistry of Octodecyl Betaine 十八烷基二甲基甜菜碱界面化学的研究 www.ilib.cn 5. Effects of Water-stress on Betaine Content in Several Fruit Trees 水分胁迫对几种果树甜菜碱含量的影响 www.ilib.cn 6. Study on the Substitute of Betaine for Met. On Duck's Daily Diet 甜菜碱替代肉鸭日粮中蛋氨酸的研究 www.ilib.cn 7. Studies on the synthesizing process of betaine 甜菜碱合成工艺的研究 www.ilib.cn 8. Effect of betaine on alcoholic fatty liver in alcohol-fed rat 甜菜碱对大鼠酒精性脂肪肝的影响 scholar.ilib.cn 9. Study on New Technology of Synthesis of Betaine 合成甜菜碱的新工艺研究 service.ilib.cn 10. Betaine Nutrional Mechanism in Animal Farming 甜菜碱在养殖业中的营养机理 www.ilib.cn 1. Application of Betaine to Hog Breeding 甜菜碱在养猪业中的应用 www.ilib.cn 2. Effect of Betaine on Carcass Fat Metabolism of Meat Duck 甜菜碱对肉鸭体内脂肪代谢的影响 www.ilib.cn 3. Growth-Promoting Effect of Betaine for Meat Duck 甜菜碱促进肉鸭生长的作用机理研究试验研究 www.ilib.cn 4. An Improved Synthetic Method of Betaine 甜菜碱合成方法的改进 service.ilib.cn 5. Effect of alkyl chain on N-alkyl dimethyl betaine 烷基碳链对N-烷基二甲基甜菜碱性能的影响 www.ilib.cn 6. Effect of betaine on lipid metabolism of pigs 甜菜碱对生长猪脂肪代谢的影响 www.ilib.cn 7. Application of betaine in fish feed 甜菜碱在鱼类饲料中的作用 168.160.184.82:8080 8. Effect of Natural Betaine on the Growth of Penaeus Vannamei 天然甜菜碱对南美白对虾生长的影响 service.ilib.cn 9. Effect of Betaine on Halophyte 甜菜碱在盐生植物中的作用 www.ilib.cn 10. Effect of Betaine on Broiler Nutrition and it's Mechanism 甜菜碱在肉鸡营养上的作用及其机理 www.ilib.cn 1. Study on bioactivities of betaine 甜菜碱的生物活性研究 www.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。