英语词汇retroact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	retroact
释义	retroact/retrəʊˈækt/v. intr. 1 operate in a backward direction 逆向运转，反向运动 2 have a retrospective effect 有追溯效力 3 react 起反作用 □ retroaction n.
随便看	pretty-pretty pretzel prevail prevailingly prevailing wind prevalence prevalent prevalently prevaricate prevarication prevaricator prevenient prevent preventability preventable preventative preventatively preventer prevention preventive preventive detention preventively preview previous previously

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