英语词汇optional requirements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 requirements
释义	optional — 任择 adj • 可选的 adj • 选配 adj • 选购 adj • 自选 requirements pl — 需求 n • 规定 n option n — 方案 n • 选择 n • 选择权 n • 可选择的事物 n • 购买权 n • 选修课 n option — 选择 • 期权 requirement n — 要求 n • 规定 n • 需要 n • 条件 n • 需求 n • 要件 n • 必要条件 n • 诉求 n • 必需品 n
随便看	been hated by been heard been hearing been hearing a lot about been heavily featured been held been helpful been here a year been here before been here for many years been hesitant to been highly successful been hit been honored been honoured been hospitalized been host been hostile to been hotly disputed been hungried been identified been imbued with been impacted been implicated been imposes

英汉双解词典包含2273206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。

optional —