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单词 retroactive
释义
J20227443retroactiveSpoken.122Fiction.13Magazine.67Newspaper.133Academic.108

retroactive

/ˌretrəʊˈæktɪv/
adjective
(especially of legislation) taking effect from a date in the past
(尤指法律)溯及既往的, 有追溯效力的; 回溯至颁布前特定日期生效的:

a big retroactive tax increase.

巨额追补性增税。

派生词

retroaction

noun

retroactively

adverb

retroactivity

noun
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