英语词汇optional elements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 elements
释义	optional elements supplementationn. 增补；补充；追加 complementationn. 互补；补足语
随便看	writingdesk writing desk writing device with measuring device writing disturbance writing down Writing Down Allowance writing down value writing edge writing writing error writing feature writing field writing fluid writing form of order writing frame writing function definition Writing Group writing gun writing habit writing hand writing head writing hygiene Writing implement Writing Implements writing implements combined with SHARPENING devices

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。