Tritoxide
[医] 三氧化物
🗣️ 情景例句
I've been thinking about it for weeks now.
为这事我想了几个星期。
A change of work is as good as a rest.
调换一下工作是很好的休息。
It's big. It sells a lot of things.
商店很大。里面卖很多东西。