Benzbasketene
苯并筐烯, 苯并五環辛烷
??? 情景例句
That was a wonderful dinner.
那次晚宴好極了。
He who has a mind to beat his dog will easily find his stick.
欲加之罪，何患無辭。
One of the first jobs when you start work in an office is to learn how to use every piece of equipment.
你在辦公室開始工作的第一件事就是要學會怎樣使用辦公室里的每樣設備。