英语词汇“pyrethrin”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	pyrethrin
释义	Word Frequency pyrethrin (paɪˈriːθrɪn) noun 1. Also called: pyrethrin I an oily water-insoluble compound used as an insecticide. Formula:C21H28O3 2. Also called: pyrethrin II a compound of similar chemical structure and action, also found in pyrethrum. Formula: C22H28O5 Word origin C19: from pyrethrum + -in
随便看	diphenylenimine diphenylhydantoin sodium diphenylketone diphone diphosgene diphosphate diphtheria diphtherial diphtheria vaccine diphtheric diphtheritic diphtheritis diphtheroid diphthong diphthongal diphthongally diphthongic diphthongisation diphthongise diphthongization diphthongize diphycercal diphyletic diphyllous diphyodont

英语词典包含233703条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。