Natroopal
钠蛋白石
🗣️ 情景例句
How come you're not studying?
你为什么不学习？
I took off my raincoat.
我脱下了我的雨衣。
If we buy the smaller one, the IBM PC386, we might have to change it in a few years' time for a bigger one.
如果我们买一台较小的IBM386的话，过几年可能就得换一台较大的机子。