Dmk
[医][=demethylketene]脱甲基乙烯酮
🗣️ 情景例句
I'll need a few minutes to check over my notes again.
我再需要几分钟来核对一下我的笔记。
A man cannot serve two masters.
一仆不能事二主。
however well we look after ourselves,
不管我们怎样精心照料我们自己，