Sesquioxides
(sesquioxide 的复数) n.[化]倍半氧化物,三氧二某化合物
🗣️ 情景例句
Well, it won't be easy.
嗯， 不很容易。
Thank you. It was very kind of you.
谢谢，您太好了。
No, I can't hear anything.
没有，我什么也没听见。