The fossil fuels (coal and oil) are finite resources.化石燃料（如煤和石油）属于有限资源。The power stations burn coal from the Ruhr region.发电站烧的煤产自鲁尔地区。Acid rain is not straightforwardly attributable to the burning of coal.酸雨并非简单地由烧煤造成。...
...British Coal's proposed pit closures...英国煤炭公司建议关闭的矿井...gases produced by burning coal and oil.煤和油燃烧时产生的气体Acid rain is not straightforwardly attributable to the burning of coal.酸雨并非简单地由烧煤造成。The oversize is reduced...
Hydrogen is a one - valence element.氢是一价的元素.Valence is a sleepy little town just south of Lyon.瓦朗斯是里昂南面一座寂静的小镇。Every element tends to satisfy both its primary and secondary valence.每一元素倾向于既满足它的主价又要满足它的副价....
The dog licked up water in a puddle.狗舔水坑中的水喝.She used to make all these chocolate puddle puddings, you know, with the sauce underneath and all this sort of thing.她过去喜欢做巧克力夹心布丁，你知道吧，就是里面有巧克力酱之类的东西的。I was wet and I must so...