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
To ask if there is some mistake.
想问问是否搞错了。
It's going to crash! Why?
要下坠了，究竟怎么啦？
Haven't you met yet?
你们还没见面吗？