Tropone
n. [化]环庚三烯酮
🗣️ 情景例句
We are customers of the bank.
我们是贵行的顾客。
I don't think your plan will work.
我想你的计划行不通。
There are eighteen floors in the building, and he lives on the fifteenth floor.
这幢大楼有18层。他住在第15层。