Pentaprismane
五棱烷, 六环癸烷
🗣️ 情景例句
Yah, I have been here only two months.
是啊，我在这儿仅两个月。
I'm playing ping-pong downstairs.
我在楼下打乒乓球。
It can be unpleasant to live even several miles from an aerodrome;
即使住在离机场几英里以外的地方，机场的噪音也会使人难受。