Diazete
二氮雜環丁二烯
??? 情景例句
Do you have a plan?
有計劃嗎？
He who imagines that he has knowledge enough has none.
自以為學識豐富的人是沒有什么學問的人。
Bluebird, the car he was driving, had been specially built for him.
他駕駛的“藍鳥”牌汽車是專門為他制造的。