Dmk
[医][=demethylketene]脱甲基乙烯酮
🗣️ 情景例句
That's five points also.
也是五分。
You look very serious about something.
你似乎有很严重的事。
It was true that he had just bought a lamb, he explained, but his lamb was black.
不错，他的确刚买了一只羔羊，阿列科解释说，但他的羔羊是黑色的。