| 词汇 | retroactive |
| 释义 | retroactiveUK:*/ˌrɛtrəʊˈæktɪv/US:/ˌrɛtroʊˈæktɪv/ ,(re′trō ak′tiv) 主要翻译 retroactive adj (applicable to the past)有追溯效力的；可追溯的The fees are retroactive, so you have to pay for the entire month even though you didn't move in until later. |
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