Valeronitrile
[化] 戊腈; 丁基氰
🗣️ 情景例句
But first, I think we should take a moment
不过首先 我想我们应该用一两分钟
Attitudes towards drinking and smoking in the U.S. are, in some ways, very different from those in Asia.
在对烟酒所采取的态度上，美国和亚洲在某些方面是非常不一样的。
I arrived in London at last.
我终于到了伦敦。