英语词汇it has been mandatory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	it has been mandatory
释义	mandatory — 义务 mandatory adj — 强制性的 adj • 法定的 adj it pron — 它 pron IT — 信息技术 • 技术情报 has-been — 过气
随便看	individual health card individual health insurance individual heart individual heating individual heroes individual he she individual holders individual holdings individual homes individual hospital individual hotel individual house individual households individual housing individual human individual human beings individual human rights individual identities individual identity individual images individual impairment individual importance individual importers individual improvement individual in charge

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 —