Bipeptid
[医] 二肽
🗣️ 情景例句
I think you ought to
我觉得，你们应该
Why aren't you happy?
为什么无聊呢？
I was only five when my father had taken me abroad, and that we eighteen years ago.
我5岁那年，父亲就带我出了国，那是18年前的事了。