英语词典 - 在线查单词
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单词总数
音标
发音标注
英汉
双向翻译
柯林斯
词频等级
单词列表
5-hydroxy-trpytamine
5-hydroxy1-2'-deoxycytidine
5-hydroxy1-2'-deoxyuridine
5-hydroxyauratin
5-hydroxybarbituric acid
5-Hydroxyflavone
5-Hydroxygriseofulvin
5-hydroxyhydroquinone-2-carboxylic acid
5-hydroxyindoleacetic acid
5-hydroxylmethyluracil
5-hydroxymatatabiether
5-Hydroxymatrine
5-hydroxymethycytosine
5-hydroxymethyl-2
5-hydroxymethyl-2-furfural
5-hydroxymethyl-2-oxy-4-aminopyrimidine
5-hydroxymethylcy-tosine
5-hydroxymethylcytosine
5-hydroxymethyldeoxyuridylate
5-hydroxymethyluracil
5-hydroxypicolinaldehydethiosemicarbazone
5-hydroxysalicylic acid
5-Hydroxytetracycline
5-Hydroxytrptophan
5-hydroxytryptamine
5-hydroxytryptamine receptor antagonist
5-hydroxytryptamine synthesis inhibitor
5-hydroxytryptamines
5-hydroxytryptophan
5-hydroxytryptophan(e)
5-hydroxytryptophane
5-hydroxytryptophol
5-IC
5-IDUR
5-iminodaunorubicin
5-iodo-2'-deoxycytidine
5-iodo-2-deoxyuridine
5-iodocytosine
5-iododeoxycytidine
5-iododeoxyuridine
5-iodouracil
5-isoamyl-5-ethylbarbituric acid
5-isoandrosterone
5-IU
5-Keto-2-deoxygluconokinase
5-ketofructose
5-Lipoxygenase
5-lodo-2'-deoxyuridine
5-membered
5-mercaptomethyluracil
5-METHF
5-Methoxy-2-tetralone
5-methoxy-dimethyltryptamine
5-methoxy-methylfurfural
5-Methoxyflavanone
5-Methoxyflavone
5-methoxygenistin-7-o-glucoside
5-methoxyindole
5-methoxymethyl-2'-deoxyuidine
5-methoxymethyl-2'-deoxyuridine
5-methoxypsoralen
5-Methoxysulfadiazine
5-methoxytryptamine
5-methoxytryptophol
5-methy-hydrantoin
5-methyl-2-furoic acid
5-methyl-2-hexanone
5-methyl-2-hexanone oxime
5-Methyl-2-Pentylphenol
5-methyl-2-thiophene-carboxylic acid
5-methyl-2-thiopheneol
5-Methyl-3-heptanone
5-methyl-5-trimethylstannylpyridine
5-Methyl-DL-tryptophane
5-methyl-resorcinol
5-methyl-tetrahydrofolate
5-methylamino-2'-deoxyuridine
5-methylaminomethyl-2-thiouridine
5-methylcytosine
5-methyldeoxycytidine
英语小知识
柯林斯星级
柯林斯词典按使用频率给单词标星，5星最常用，1星较少用。优先掌握高星级词汇效率更高。
音标怎么读
国际音标IPA是标准发音标注。/ə/是轻元音，/æ/是cat的a，/ɪ/是bit的i。多听多模仿是关键。
词性缩写
n.名词、v.动词、adj.形容词、adv.副词、prep.介词、conj.连词。一个词可能有多种词性。
单词变形
英语单词有各种变形：复数(-s)、过去式(-ed)、现在分词(-ing)、比较级(-er)等。掌握规则很重要。
常见问题
词典收录了多少单词？
本词典收录{{.Total}}+个英语单词，涵盖日常、学术、专业等各类词汇，满足从入门到高级的学习需求。
柯林斯星级是什么意思？
柯林斯词典根据词频给单词评级，★★★★★表示最常用（核心词），★表示较少用。建议优先学习高星级词汇。
怎么查一个单词的用法？
在搜索框输入单词，进入详情页可以看到释义、音标、词性等信息。建议结合例句理解用法。
四六级要背多少单词？
四级要求约4500词汇量，六级约6000词。建议从高频词开始，结合阅读巩固记忆效果更好。
如何用英语词典把中文翻译成英文？
本词典支持英汉互译。您只需在搜索框输入中文词语，系统就会智能识别并为您提供准确的英文释义、常用表达及例句，助您轻松进行汉英互译。
使用说明
- 在搜索框输入英语单词可快速查询释义
- 点击单词可查看详细释义和音标
- 单词详情页显示音标、词性、释义等信息
相关工具
词典释义仅供参考，建议结合语境理解。