Procollagen
原骨胶原
🔁 扩展释义
【化】 前胶原
🗣️ 情景例句
I am having a good time, Harry.
我玩得很高兴， Harry。
A good book is a best friend who never turns his back upon us.
一本好书，莫逆之交。
No, I'm not. Good! I can reach them now. Catch!
不，不高。好！现在我够得着了。接住！