Pentanamide
[机] 戊酰氨
🗣️ 情景例句
Don't be too sure.
别那么肯定。
I'm sick and tired of having to take care of your brother just because he refuses to go out and find a job.
只是因为你弟弟不肯出去找工作就得我来照顾他，这真让我烦透了。
Is this box big? No, it's small.
不，是小的。