Pacifarin
n. (能防止某些侵入生物体的病菌致病的)抑菌素
🗣️ 情景例句
The movie was a box office success.
这电影的票房很成功。
Strong winds howls.
咻咻地刮着强风。
Imagine a pen attached to the weight in such a way that its point rests upon a piece of paper on the floor.
假定把一支笔拴在重物上，笔尖落在地板上的一张纸上，