Passive diffusion
[化] 被动扩散
🧩 词语组成解析
🗣️ 情景例句
Does the hotel have a tour service?
这宾馆有旅游服务吗？
Who has no haste in his business mountains to him seem valleys.
做事不急，履险如夷。
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，