Roger stepped forward and Martin put out his arm to restrain him.罗杰跨步上前，马丁伸手拦住了他。He was last seen striding maniacally to the hotel reception.最后一次看见他的时候，他正发疯般地大跨步走向饭店的前台。The sailor stepped ashore.那个水手跨步上岸。He ran and took a flying leap over the stream.他跑起来，跨步越过小溪。