Retroaction
n. 反动, 反作用, 溯及既往\\n[医] 反作用, 逆作用
✅ 同义词
🏥 医学释义
反作用，反馈
🗣️ 情景例句
If anyone has any objections, now is the time to voice them.
如果有人反对，现在就可以说出来。
I did homework lat night.
我昨晚做家庭作业。
Half an hour later ,she woke up and began to cry.
半小时后她醒了，哭了起来。