英语词汇optional clause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 clause
释义	optional clause conceptionaladj. 想象的；理论的 presentationaladj. 直觉的(上演的) operationalizevt. 使用于操作,使开始运转,实施
随便看	vertical pin vertical pincushion distortion Vertical pipe vertical pipe reaction column vertical piping vertical pitch vertical pit type furnace vertical pivoting window vertical plan Vertical plane vertical plane coupler vertical plane of projection vertical plane projection of coal bed vertical planer vertical planetary internal grinder vertical planing vertical planing machine vertical plankton tow net vertical planning vertical planning drawing vertical planning machine vertical planting Vertical plate vertical plate bending machine vertical plate freezer

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。