英语词汇has been ineffective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 been ineffective
释义	be ineffective— 不灵 ineffective — 低效 has-been — 过气
随便看	* delivery accuracy * delivery accuracy * delivery accuracy delivery accuracy * delivery accuracy delivery actions delivery activities delivery address delivery address details delivery address for delivery after payment. delivery against delivery against documents delivery against payment delivery agencies delivery agent delivery agents delivery agreement delivery all over the world delivery also includes delivery amount delivery and acceptance delivery and administration delivery and assurance delivery and charging

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。

be ineffective—