Methylmethane
[医] 乙烷
🗣️ 情景例句
And this is my wife Marilyn.
这是我太太Marilyn。
I will have done it by the time you come back.
在你回来之前，我会做完它。[将来完成时，表示将完成…，会做完…]
Have you slept well?
你睡得好吗？