Serpin
丝氨酸蛋白酶抑制蛋白
🗣️ 情景例句
And when I did,
就算我睡着了，
I suggest that you tear up the letter and start over again.
我建议你撕破信再来一遍。
However, when I was going out shopping last week, I noticed him in the garden near the gate.
然而上星期我正要出去买东西时，发现它正呆在花园里边靠门的地方。