Translational diffusion
[化] 平动扩散
🧩 词语组成解析
[机] 平移的
🗣️ 情景例句
I think something he can use is the best. A watch or something.
最好是实用的，像手表啦或什么的。
How many slices are you going to use?
你要用几片？
Where have you been?
你去哪儿了？