Polycyclotrimerization
多环三聚(作用)
🗣️ 情景例句
if you're not going to be happy about it.
假如你会因为这种事而不快乐的话。
I'm afraid you will be too busy.
我怕你会太忙。
We've got plenty of time. We needn't hurry.
我们有大把时间，不急。