Polypeptin
[医] 圈杆菌素, 环[状]杆菌素, 多肽菌素
🗣️ 情景例句
And it wasn't just ice cream, was it?
这惊喜还不仅是冰淇淋， 对吗?
Yes, she lives just across the street.
是的，她就住在街对面。
Where does the teacher stand?
老师站在哪里？