Elastin
n. 弹性蛋白\\n[化] 弹性蛋白
🗣️ 情景例句
The pleasure is mine.
认识你是我的荣幸。
It's up to us to help those in need.
我们有责任帮助那些有困难的人。
I can't see them there. Did you buy any this morning?
桌子下面没有。你今天早晨买了吗？