英语词汇“retroactive”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典-新都网

单词	retroactive
释义	retroactiveretroactive /ˌrɛtroʊˈæktɪv/ adjective formal law a law or decision that is retroactive is made now but is effective from a particular date in the past: a retroactive pay increaseretroactive to The legislation is retroactive to June 1.—retroactively adverb
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