Triithylamine
[建] 三乙氨
??? 情景例句
Thank you for your great service.
感謝你周到的服務。
What? Already? Won't you have more coffee?
怎么，已經要走了？要不要再喝點咖啡？
If you learn even a little English, you will find it usedful after you leave school.
假如你哪怕只是學一點英語，畢業后，也會發現它是有用的。