Serpin
丝氨酸蛋白酶抑制蛋白
🗣️ 情景例句
Oh dear! What a pity!
啊！真遗憾！
Please take a brief look at the list of words.
请把单词表过目一下。
When the plants are in the ground I'll put some powder on the soil.
白菜在地里生长时，我得在土壤里施些肥粉。