他听说奖杯已经被卖掉了。He had heard that the trophy had been sold.他的名字刻在奖杯上。His name was inscribed on the trophy.那只奖杯是该公司很珍惜的奖品.The cup is a cherished trophy of the company....
有机化学家接受了平均平面环己烷的理论.Organic chemists accepted the theory of the average planar cyclohexane ring.环己酮和过氧化物可用来化替过氧化环己酮.Cyclohexanone and peroxide may be used in place of cyclohexanone peroxide.后者经过热解,就转变成环己二烯酮的衍生物.Thermolysi...