英语词汇are an optional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	are an optional
释义	optional — 可选的 adj • 任择 adj • 选配 adj • 选购 adj • 自选 are — 是 be v — 有 v • 是 v • 做 v • 当 v • 存在 v • 属 v • 成为 v • 乃 v • 乃是 v an num — 一个 num an n — 一项 n option n — 方案 n • 选择 n • 选修课 n • 购买权 n • 选择权 n • 可选择的事物 n option — 选择 • 期权
随便看	candidate school candidate screening candidate's details candidate's details candidate's details candidate searching candidate-seeking candidate selected candidate selection process candidate seminar candidates experience candidates for candidates for a political candidates for appointment candidates for employment candidates for examination candidates for key positions candidates for office candidates for promotion candidates for public office candidates for therapy candidates for vacancies candidateship candidates interested candidate sites

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 —