从1998年起，将禁止所有倾倒淤泥的行为。All dumping of sludge will be banned by 1998.他把手伸进淤泥里捞摸，结果抓上来一只巨大的蟾蜍。He grabbed into the ooze and came up clutching a large toad.船搁浅在一片淤泥滩上。The boat beached on a mud flat....
在不完全的燃烧中,一些烃燃料裂解.During incomplete combustion some of the hydrocarbon fuel is cracked.某碳氢化合物已知可能是烯烃或是烷烃.A hydrocarbon was known to be either an alkene or alkane.苯环型烃都是非经典烃, 因此,可能是芳香烃.The benzenoid hydrocarbon are all non...