Keratoelastin
鱼卵壳蛋白
🗣️ 情景例句
I don't feel right about it.
我觉得这样不对。
The building of the new road has been held up by bad weather.
这条新马路的修筑因天气恶劣而受阻。
Doesn't Karen Marsh look old!
卡伦看上去不显老嘛！