Dmk
[医][=demethylketene]脱甲基乙烯酮
🗣️ 情景例句
Whose woods these are I think I know.
这是谁的林子， 我想我知道。
I underestimated the cost of the journey.
我对旅行费用估计不足。
Oh, that's Mrs. Brown.
噢，那是布郎太太。