英语词汇optional exercise怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	optional exercise
释义	optional exercise conversationalistn. 健谈的人 internationalistn. 国际主义者；国际法学家 operationalizevt. 使用于操作,使开始运转,实施 expressionlessadj. 无表情的
随便看	weason weasons weast weastward weasy WEAT weate weatern larch weatern longitude weater worn WEA, the weather weatherabilities weatherability weatherable weatherable mineral weather abort weather above minimum weather actual weather adjustment weather adjustment device weather adjustment of autopilot weather adjustment of gyro compass weatheradvisory weather advisory

英汉双解词典包含3607232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。