Polypeptin
[医] 圈杆菌素, 环[状]杆菌素, 多肽菌素
🗣️ 情景例句
My friends say I'm a real party animal.
我的朋友说我是个聚会迷。
It was so cold the car wouldn't start.
天冷得汽车的引擎都无法发动了。
I am very well. Did you have a good summer holiday?
我很好。你暑假过得好吗？