Diolefins
二烯属; 二烯属烃
🗣️ 情景例句
But please call first.
不过，请你先打电话。
She tastes the steak.
她在品尝着牛排的味道。
And, because most books were not printed in Braille.
因为大多数的书本没用布莱叶文印刷。