英语词汇optional ip 67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 ip 67
释义	optional — 任择 adj • 可选的 adj • 选配 adj • 选购 adj • 自选 IP— 网际协定 option n — 方案 n • 选择 n • 可选择的事物 n • 选择权 n • 购买权 n • 选修课 n option — 选择 • 期权
随便看	to extract timber to extradite suspects to face a ball to face a bankruptcy to face a brand to face a breakdown to face abuse to face a choice to face a claim to face a competition to face a concern to face a condition to face a consequence to face a constraint to face a danger to face a date to face a deadline to face a declining to face a default to face after to face a goal to face a grilling to face a lawsuit to face allegations to face alone

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 —