A flight of stone steps leads to the terrace.一段石阶通向露台。Steps taken now to maximise your health will pay dividends later on.现在采取措施增强体质会使你日后受益。I waved goodbye and went down the stone harbour steps.我挥手告别，然后走下港口石阶。...
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....