英语词汇has not been required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 not been required
释义	not so— 不然 required — 所需 • 必要 has-been — 过气 not — 不 • 未 • 非 • 没 • 否 • 无 • 不是 • 也不 adj • 并不 adv
随便看	most real most realistic most reasonable most reasonable price most reasonably priced most rebellious most recent 12 months most recent accomplishments most recent accounts most recent achievement most recent activities most recent activity most recent addition most recent advances most recent amendment most recent appraisal most recent arrivals most recent assessment most recent assignment most recent attack most recent attempt most recent available most recent Book most recent calibration most recent changes

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。

not so—