Dmk
[医][=demethylketene]脱甲基乙烯酮
🗣️ 情景例句
You'd better not make Harry any more nervous than he is.
你最好别让Harry更加紧张了。
A Ph.D. Doctor of Philosophy from Yale.
在耶鲁大学攻读了哲学博士学位。
I think it's broken.
我觉得好象坏了。