Retroact
vi. 反动, 起反作用, 溯及既往\\n[法] 追溯既往, 有追溯效力, 反动
✅ 同义词
🗣️ 情景例句
Oh, Grandpa!
啊，爷爷！
No rule without an exception.
没有一条规则没有例外。
it is customary for the new arrival to be placed between the stalls of two captives whose training is already well advanced.
通常是把新到的安置在两头训练得很好的大象的象厩中间，