用across,along,down,from,into,off,onto,outof,over,round,through,to...答:医生小心地沿着他的一块腿骨用刀切过。I saw them running together along the road yesterday.我昨天看见他们沿着马路一起跑。3.down: She booked me down for next flight.她已为我登记坐下一个航班。Down with the portrait.把那幅画像拿下来。Please lift the box down from the shelf for ...