英语词汇mandatory ventilation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	mandatory ventilation
释义	mandatory — 义务 mandatory adj — 强制性的 adj • 法定的 adj ventilation n — 空调 n • 流通 n • 抽风 n
随便看	one amendment one a minute one among one amongst many one among those one among thousands one an one analyses one and a ahalf one and a half one and a half centuries one and a half fold one and a half hours one and a half line one and a half meters one and a half page one and a half times ; one and a half years later ; one and a half years later one and all one and both one and for ever one and half one and half hour one and half times

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。

mandatory —