Molybdena
氧化钼
🗣️ 情景例句
There's so many things to talk about.
有许多事情需要讨论。
The houses downtown are very expensive.
市区的房子很贵。
Oh, hi, Jim! What are you going to do next week?
噢，你好，吉姆！你打算下星期做什么？