英语词汇have been in operation since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	have been in operation since
释义	be in operation— 运营
随便看	Berlin, 14. August Berlin 15 May Berlin 1936 Olympic Games Berlin 1936 Olympic Games Berlin 1961 Berlin, 19.March 2012 Berlin, 19.March 2012 Berlin, 1. August 2012 Berlin, 1. August 2012 Berlin 2009 Berlin, 20.September 2012 Berlin, 26. September Berlin, 26. September Berlin, 26. September Berlin, 26. September Berlin 28.10.2012 Berlin, 2. September Berlin, 2. September Berlin, 30. August 2012 Berlin, 30. August 2012 Berlin, 30. August 2012 Berlin, 30. August 2012 Berlin, 5th August Berlin, 5th August Berlin, 5th August

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 in operation—