Molecular diffusion
[化] 分子扩散
🧩 词语组成解析
🗣️ 情景例句
But Dad was so exhausted when he came home from work.
但爸爸工作回来时已经累得不得了了。
Our new product line has been very successful. We've expanded the factory twice this year already.
我们新的生产线非常成功，我们今年已把工厂扩展了两倍。
How soon can you have your product ready?
你们多久才可以把产品准备好呢？