Variomycin
痘斑霉素
🗣️ 情景例句
I have to sign copies of my book for a lot of people
我还必须为许多人在我的书上签名
So far I have been learning about England.
到目前为止，我一直在研究有关英格兰的事情。
I don't want to argue about it any more.
我不想为这件事再和你争吵。