Precollagen
[化] 前胶原\\n[医] 前胶原, 原成胶
🗣️ 情景例句
I think he will.
我想会的。
May I introduce you to my friend Susan?
恕我介绍一下我的朋友苏珊。
Oh, doctor. He seems terribly ill. Are you sure it's nothing serious?
噢，医生。他似乎病得很厉害。你肯定不是什么大病？