We tried to grow some copper sulphate crystals with our children.我们想跟孩子们一起制作硫酸铜晶体。Adding sulphate to the solution will give a precipitate.将硫酸盐加入该溶液会产生沉淀.More ammonium sulphate solution is being recovered in the process o...
Several hundred yards beyond the first switchback in the road, he came to the second bend.过了公路上第一个急转弯几百码处，他又遇到了第二个急转弯。The stream switchback through hills and trees.小河在山峦和树木间蜿蜒流去The switchback operation returns the ACTIVE...
人在路上,我默然暗自浏盼.Now I'm on the road and quietly looking around.他刚说出这些个话,各人就默然沉静下来.Directly he uttered these words there was a dead silence.我默然, 无聊的叹一口气,四下里望着.I didn't say any more , but sighed and felt bored....
So too might the Jovian moons Callisto and Ganymede.木星的卫星木卫四和木卫三也可能有水.Callisto didn't know what was happening to her.克丽丝桃不知道她怎么了.Callisto fell down on her hands and knees.她倒下来趴在地上....
Water in the engine compartment is sucked away by a hose.发动机舱里的水由一条软管抽走。He uncoiled the hose and gave them a thorough drenching.他把软管铺展开来，把它们彻底冲洗了一下。dressed in doublet and hose穿着紧身衣裤...
His gross misman-agement left the company desperately in need of restructuring.他管理上的重大失误使公司陷入亟须重组的境地。The restructuring of the pattern of consumption in Britain also lagged behind.在消费结构重组方面，英国也落后于人。The restructuring invol...
Gingham fabrics always look fresh and pretty.方格花布织物看上去总是鲜亮好看。a blue and white gingham dress蓝白格子布连衣裙The chambermaid in our corridor wears blue checked gingham aprons.给我们扫走廊的清洁女工围蓝格围裙....