Protective colliod
[机] 保护胶体
🧩 词语组成解析
🗣️ 情景例句
Sometimes, by buying something cheap now, you will be costing yourself more in the long run.
有时候你花了很少钱买了便宜货，但它日后可能要花掉更多的钱。
I'll have to see about that.
这事我得想一想再定。
Fine, thank you, Li Lei. How are you?
我很好，谢谢。你呢？