Bipeptid
[医] 二肽
🗣️ 情景例句
and he's very unhappy about not working.
他对没有工作感到怏怏不乐。
A good book is a light to the soul.
好书一本，照亮心灵。
In fact, I was a bit frightened and didn't know what we should do.
事实上我有点害怕，不知道我们该怎么办。