无舵雪橇,单雪橇(比赛用的单人仰卧雪橇) a type of sledge (= a vehicle for sliding over ice) for racing, used by one person lying on their back with their feet pointing forwards
无舵雪橇运动;单雪橇运动 the event or sport of racing down a track of ice on a luge
无舵雪橇;运动雪橇 A luge is an object that is designed to be used for racing downhill over snow or ice. Riders lie on their backs and travel with their feet pointing towards the front of the luge.