词汇 | retroact |
释义 | retroact /ˏrєtro`akt/ (过去式: retroacted; 过去完成式: retroacted; 现在进行式: retroacting) v.i. To act backward or in opposition. 逆动;逆行;起反作用。 To influence or alter what has been done. 追溯既往。 derivatives n. retroaction. adj. retroactive. |
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