Polypeptin
[医] 圈杆菌素, 环[状]杆菌素, 多肽菌素
🗣️ 情景例句
This place can be developed
我们可以拓展这个地方
I don't know. You may look in the TV Guide.
我不知道，你可以看看《电视报》。
There were twenty cars in the race.
参加比赛的有20辆汽车。