Kera
abbr. keratinase 角蛋白酶
🗣️ 情景例句
often took us somewhere in the city on the weekends.
经常在周末带我们去城市的一些地方。
A scientist has come up with a good idea. That's it!
科学家想起了一个好创意。就是这个！
Who?
谁？