Mannopeptin
[化] 甘露糖肽素
🗣️ 情景例句
You can listen to BBC or VOA news if you want to improve your listening.
如果你想提高听力，你可以听英国广播电台或美国之音的新闻节目。
In my opinion, the product must be priced under $ 300.
就我的意见来说，产品价格必须订在300美元以下。
I'd also like to congratulate you on your good work in these two years.
我还要祝贺你在这两年中的出色表现。