Polypeptin
[医] 圈杆菌素, 环[状]杆菌素, 多肽菌素
🗣️ 情景例句
Strawberry?
草莓的？
Ack! Snake!
哗！是蛇！
I've got a problem and as I don't know what to do I thought I'd write to you and ask for your advice.
我有一个问题，因为我不知道该怎么办。我想我最好写信给你，征求你的意见。