英语词汇“retroactivity”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典-现代词典

单词	retroactivity
释义	ret·ro·activity \“+\ noun 1. : the quality or state of being retroactive 2. : the capacity of a bacterial agent in biological warfare to react upon the user
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