火车的平均速度比我们骑自行车的速度快不了多少。The train's average speed was no better than that of our bicycles.公共汽车和火车的人均燃料耗费量比轿车小得多。Buses and trains use much less fuel per person than cars.我是个酷爱看火车的人。I was a devoted train spotter....
The results showed that the prepared product had good dispersity and could increase antioxidation activity.结果表明,有机基团修饰的茶多酚具有优良的分散性,可提高豆油的抗氧化性能.The dispersity coefficients are 0.65 % ( TA ), 1.4 % ( C _ 2 ), and 0.65 % ( ...