劍橋詞典a child's toy made of a long metal stick with a bar to hold across the top , and a large bar across the bottom for your feet , used to bounce around on 蹦蹦蹺，彈簧單高蹺（一種上耑裝有把手、下部裝有彈簧踏板的跳躍遊戯器具） 返回 pogo stick