| 单词 | retroactive |
| 释义 | retroactive retroactive /ˌret.rəʊˈæk.tɪv/ aep /-roʊ-/ adjective (ALSO retrospective) formal ► F0 If a law or decision, etc. is retroactive, it has effect from a date before it was approved: » the first British law to have retroactive effectThesaurus+: ↑Relating to timeThesaurus+: ↑Rules and lawsretroactively /-li/ adverb Thesaurus+: ↑Relating to time |
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