英语词汇retroactivity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	retroactivity
释义	□ retroactivity /-ˈtiviti/ n. ‣Main Entry: retroactive
随便看	reader readerly readership readily read-in readiness reading reading age readjust readjustment readmission readmit read-only memory readopt readoption read-out read out read the riot act read up re-advertise re-advertisement read-write ready ready-made ready-mixed

英汉双解词典包含94788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。