Polyoxide
多氧化物
🗣️ 情景例句
Have you changed jobs?
你换工作了吗？
I'm washing the car in the garage.
我在车房洗车。
These had settled down for the winter at Chippenham: thither Alfred went.
丹麦军已在切本哈姆扎下营准备过冬，阿尔弗雷便来到此地。