Methide
甲基化物
🗣️ 情景例句
Two weeks. I said I could do it in two weeks, and I did it.
两周。我说过我两周就能完成， 现在我做到了。
We are happy to be of help.
我们十分乐意帮助。
I suddenly felt very worried, but could not say anything.
我突然非常着急起来，但却什么也说不出来。