Kera
abbr. keratinase 角蛋白酶
🗣️ 情景例句
We've got lots of ice cream.
我们有很多冰淇淋。
By doing nothing we learn to do ill.
懒散学为非。
A man was lying in the box on top of a pile of woolen goods.
箱内有一个人正躺在一堆毛织品之上。