Sesquioxide
n. [化]倍半氧化物,三氧二某化合物
🗣️ 情景例句
so it's my pleasure
所以现在我很乐意
How long will you remain there?
你将会在那里逗留多久？
The train was late but nobody knew the reason for the delay.
火车晚点了，但没人知道为什么。