Dmk
[医][=demethylketene]脱甲基乙烯酮
🗣️ 情景例句
He won't pay attention to anybody.
他不会认真倾听别人的话。
Though the wound be healed yet a scar remains.
创伤可愈合，伤疤犹留存。
Don't worry. But you'd better take him to the nurse, and she'll give him some pills.
放心吧。你最好带他到护士那，她会给他一些药片的。