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
Thanks, Susan.
谢谢， Susan。
Won't you buy me a newspaper on your way home?
回家的时候，替我买份报纸好不好？
Just then, the gaoler appeared with the precious letter in his bands.
这时狱卒上场，手里拿着那封珍贵的信。