Polypeptin
[医] 圈杆菌素, 环[状]杆菌素, 多肽菌素
🗣️ 情景例句
Thanks. But I have a question.
谢谢。但我想问一下
Then, all of a sudden, it became cloudy and began to rain.
可是突然天就变了，乌云密布并下起雨来。
Now she looks pale as if she were ill.
现在她脸色难看，好像病了一样。