Bostrycin
卷线孢菌素
🗣️ 情景例句
I mean, there seems to be something to celebrate all the year round.
我的意思是，好像一年到头都要忙着庆祝似的。
I am 60 years old and siingle.
我六十岁了，仍然单身。
I am very well. Did you have a good summer holiday?
我很好。你暑假过得好吗？