R48
[医] 双-2-氯乙基-β-萘胺
🗣️ 情景例句
Let's go. What are your questions?
我们就进行吧。你想问哪些问题？
The beginnings of all things are small.
万事开头小。
Antique shops exert a peculiar fascination on a great many people.
古玩店对许多人来说有一种特殊的魅力。