leap frog 英[li:p fr?ɡ] 美[lip fr?ɡ] [詞典] 跳背戲; [例句]Games like running races," Leap Frog"," Tag"," Johnny on the Pony", and "King on the Hill" satisfy these needs.賽跑、“跳蛙”、“抓強(qiáng)盜”、“騎兵”和“山大王”等游戲滿足了這種需要。