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	was taxed waste waste 1999 waste 2 hours waste a breath waste absorption waste acceptance criteria waste accounting waste accumulation was teached was teaching waste Act waste a day waste affects waste agency waste agricultural residues waste air waste a moment waste amount waste analysis waste and abuse waste and by waste and debris waste and emissions waste and energy consumption

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—