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 towels are highly absorbent.这些毛巾很吸水。The sample solution is spotted on an absorbent paper.把样品溶液点在滤纸上.Its main disadvantage is that it is non - absorbent.它的主要缺点是无吸收性....
煤被干馏后剩下固体残余物:焦炭.Coal is destructively distilled leaving a solid residue, coke.泥煤焦油的性质和由木材干馏所得到的焦油的性质相似.Peat tar has similar properties to the tar derived from the destructive distillation of wood.干馏段: 采用优质高炉粘土砖砌筑,内置中心管.P...