英 [ˌretrəʊˈæktɪv] 美 [ˌretroʊˈæktɪv]
adj. 追溯的；有追溯效力的；反动的
retroactive /ˌrɛtrəʊˈæktɪv/
形容词 If a decision or action is retroactive, it is intended to take effect from a date in the past. (决定或行为)有追溯效力的
副词
It isn't yet clear whether the new law can actually be applied retroactively.
这项新法令是否具有追溯力还不清楚。
descriptive of any event or stimulus or process that has an effect on the effects of events or stimuli or process that occurred previously
溯及力-引用次数：42
有追溯力的
有追溯效力的
追溯的
倒摄的
... 布拉格之恋/生命中不能承受之轻/沉重浮生/布拉格之春/不能承受的生命之轻 The Unbearable Lightness of Being 极速凶间 Retroactive 碧波女贼 Bandits ...
... incoherent不清楚的;不合逻辑的: retroactive溯及既往的;有追溯效力的: strain竭力;用全力（做某事）: ...
... Retroactive 追溯的 Retroflex 翻转的，卷舌音的 Retrograde倒退的 ...
... retrial 再审;复审 retroactive 有追溯力的 retrospective 有追溯力的 ...
retroactively 追溯地；逆动地
追溯的；[法]有追溯效力的；反动的
They discussed forgetting in short-term memory and retroactive inhibition.
他们探讨了短时记忆的遗忘和倒摄抑制。
This law is not retroactive.
此法不溯及既往。
This is not retroactive.
但是这项法规并无追溯效力。
Backtested performance was derived from the retroactive application of a model with the benefit of hindsight.
It not only supports deference to IRS regulations, but also giving them retroactive effect.
According to an IRS ruling, if an annulment is retroactive, the couple was never married.
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