retroactive基本解釋
形容詞追溯的; 反動(dòng)的; 有追溯力的; 從以往某天開(kāi)始生效
retroactive網(wǎng)絡(luò )解釋
1. 有追溯效力的：retrieval 檢索 | retroactive 有追溯效力的 | retrofit 改型
2. 反作用的;追溯的：retroactive effect 反饋作用 | retroactive 反作用的;追溯的 | retroarc basin 弧后盆地
3. 反動(dòng)的：retroaction 反動(dòng) | retroactive 反動(dòng)的 | retroactively 逆動(dòng)地
4. 倒攝的：retroaction 逆作用 | retroactive 倒攝的 | retroactive amnesia 倒攝遺忘
retroactive詞典解釋
1. （決定或行為）有追溯效力的
If a decision or action is retroactive, it is intended to take effect from a date in the past.
e.g. There are few precedents for this sort of retroactive legislation.
這種有追溯力的法規鮮有先例。
retroactive英英釋義
adj
1. affecting things past
e.g. retroactive tax increase
an ex-post-facto law
retro pay
Synonym: ex post factoretro
2. descriptive of any event or stimulus or process that has an effect on the effects of events or stimuli or process that occurred previously