Elastin
n. 弹性蛋白\\n[化] 弹性蛋白
🗣️ 情景例句
Have you filled in the baggage declaration?
行李申请单填好了吗？
What kind of look is that?
你那时什么脸？
Good morning, class! Who is on duty today?
同学们，早上好！今天谁值日？