Serpin
丝氨酸蛋白酶抑制蛋白
🗣️ 情景例句
Please accept our apologies.
请接受我们的歉意。
What's the rate for a station wagon?
租一辆客货两用轿车要多少钱？
It is not just farmers who are complaining.
并不仅仅是农民在抱怨。