Dena
[医][=diethylnitrosamine]二乙基亚硝胺
🗣️ 情景例句
That's not an overstatement. As I said, these are only the main ones. There are many others.
你这样说一点也不夸张，我只是说了几个重要的节日，还有很多没有提及呢。
If you concentrate all your energies on the study of English, you will master the language.
你若全力以赴地学习英语，你会掌握这门语言的。
What's new?
有什么新鲜事吗？