Serpin
丝氨酸蛋白酶抑制蛋白
🗣️ 情景例句
She's the apple of my eye.
她是我的至爱。
What time does the first train to Boston leave?
第一班去波士顿的列车什么时间开出呢？
There's a bar next door to the station.
车站旁有一个酒吧。