英语词汇has it been necessary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	has it been necessary
释义	necessary — 必要 • 必须 adj • 必要的 adj • 所需 adj • 必需 adj • 不可或缺 has-been — 过气 it pron — 它 pron IT — 信息技术 • 技术情报 necessary n — 需要 n
随便看	get a contact get a coupon get acquainted with sb get a crash course get a credit get a credit card get Acrobat Reader get across get active get actively involved get a damage get adapted get a daughter get addicted get a deeper insight get a deeper understanding get a demonstration get a detailed view2 of get a detailed view of get a dinner get a diploma get a direct contact get a discount get adjusted get admission

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。

necessary —