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	raising service raising skill levels raising some concerns raising staff morale raising standards raising star raising support raising target raising tariff raising taxes raising tax rate raising the alarm raising the bar raising the bar for raising the benchmark raising the floor raising the game raising the hackles raising their children raising their hands raising their prices raising their status raising their voices raising the issue raising the issue again

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—