Serpin
丝氨酸蛋白酶抑制蛋白
🗣️ 情景例句
I keep in touch with my family regularly.
我定期和家里保持联系。
I don't want to see any more of this TV show.
我不想再看这个电视节目了。
I wonder if they can make it.
我在想他们是不是能办得到。