Serpin
丝氨酸蛋白酶抑制蛋白
🗣️ 情景例句
There are many natural catastroophes occurring in nature.
自然界里有很多自然灾害发生。
It will take me several hours if I really look at everything.
如果全部参观的话，那得需要好几个小时。
Come straight along here, please.
请直接沿这里走过来。