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	pre-embryonic pre-eminence pre-eminent pre-eminently pre-empt pre-emption pre-emptive pre-emptor preen preener pre-engage pre-engagement preen gland pre-establish pre-exist pre-existence pre-existent pref. prefab prefabricate prefabrication preface prefatorial prefatory prefect

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