Bidesyl
聯(lián)二苯乙酮基
??? 情景例句
She's coming over this morning to help me with my math.
她今天早晨要過來幫我補習(xí)數(shù)學(xué)。
He is having a temper tantrum.
他在大發(fā)脾氣。
From time to time, I notice that he puts a piece of meat down his trousers just before he leaves the factory.
我經(jīng)常看到，他在快要離廠前把一塊肉藏在褲子里。