汽船向我们嘟嘟鸣笛时，甲板上的水手们饶有趣味地挥着手。Steamers tooted at us as sailors on deck waved in amusement.一路上，汽船在好几个港口停靠。The steamer calls at several ports along the way.汽船一离开码头就加快了速度.The motorboat put on speed as soon as it left the pier....
It is less polluting than power stations fuelled by oil, coal and gas.比起以石油、煤和天然气为燃料的发电站来说，它的污染要小。Others said the tumult had been fuelled by precisely these strategies.另一些人则认为,正是这些措施助长了骚动.Political polarisation in indust...
属于这类物质的有云母 、 瓷器 、 石英 、 玻璃 、 木材等等.To this class of substance belong mica, porcelain, quartz, glass, wood, etc.沥清铀矿和铜铀云母比纯铀的放射性强得多.Pitchblende and chalcolite are much more radioactive than uranium itself.它不能通过云母这样的不透水的物质.I...