Serpin
丝氨酸蛋白酶抑制蛋白
🗣️ 情景例句
How many do you want? I can probably get the owner to bring down the price.
你要几只？我大概可以找店主杀价！
Poverty tries friends.
贫穷考验朋友。
All for one，one for all.
我为人人，人人为我。