Dmk
[医][=demethylketene]脱甲基乙烯酮
🗣️ 情景例句
What ideas do you have if we employ you?
如果我们录用你，你有什么想法？
Could you tell me where I can find these books?
您能告诉我在哪儿能找到这些书吗？
Two return tickets to London,please.
买两张到伦敦的往返票。