Carbenes
[建] 碳質瀝青
??? 情景例句
Do you want a first class, business class or economy seat?
你想要頭等艙、商務艙還是經濟艙？
I feel younger than ever.
我覺得比以前年輕。
Really? If you are ill, you must see the doctor.
真的嗎？如果是生病了，你得去看醫生。