英语词汇非强制是什么意思，非强制的用法、释义、翻译、读音、例句、短语词组-英汉汉英翻译词典-电脑手机教程网

单词	非强制
释义	ENGLISH PHRASES 英文词组〔coverage〕optional/additional coverages 非强制性/附加险韦氏高阶〔optional〕an optional activity 非强制性活动英汉大词典
随便看	throttlehold throttlehold throttlehold throttleman throttles throttling throttling throttling throttling throttling action throttling area throttling back throttling butterfly valve throttling calorimeter throttling cock throttling coefficient throttling controller throttling discharge throttling element throttling expansion throttling flow meter throttling flowmeter throttling gear throttling governing throttling length

英汉汉英翻译词典包含1679246条英汉翻译词条，基本涵盖了全部常用英语单词及常用语的翻译及用法，是英语学习及翻译工作的有利工具。