Keratoelastin
鱼卵壳蛋白
🗣️ 情景例句
She grabbed the chance to travel abroad.
她抓住机会到国外旅行。
No, No. You can't do it like that.
不行，不行。不能随你那样做。
5 What makes you feel that you are doing well?
5。是什么使你感到自己干得不错？