Polycyclotrimerization
多环三聚(作用)
🗣️ 情景例句
What's the lowest you're willing to go?
最低你能出什么价？
I'll drown my sorrows.
我要消愁解闷。
' I looked down and nearly fell off the ladder when I saw a policeman.
”我向下面看去。当我看清是一个警察时，差一点儿从梯子上掉下去。