n.跳背游戏(游戏者轮流从其他弯背人身上跳过)
v.越级提升

原形：leapfrog第三人称单数：leapfrogs过去式：leapfrogged过去分词：leapfrogged现在分词：leapfrogging

The child was playing leapfrog with his friends in the park.
The rabbit's ears were like two leaping frogs on its head.
The athlete was practicing leapfrog as part of his warm-up routine.
The frog made a leapfrog over the rock and landed in the pond.
The toy store had a display of leapfrogs for children to play with.
The circus performer did a leapfrog over the other acrobats.
The dog chased after the cat, leaping over obstacles like a leapfrog.
The children were having a competition to see who could do the most leapfrogs.
The frog statue in the garden was designed to look like it was doing a leapfrog.
The gymnast performed a leapfrog as part of her floor routine.
这个孩子在公园里和他的朋友们玩跳蛙游戏。
兔子的耳朵像它头上的两只跳跃的青蛙。
运动员正在练习跳蛙作为热身的一部分。
青蛙跳过岩石，在池塘里着陆，就像跳蛙一样。
玩具店有一款供孩子们玩耍的跳蛙玩具展示。
杂技演员跳过其他特技演员，就像跳蛙一样。
狗追猫，跳过障碍物，就像跳蛙一样。
孩子们在比赛看谁可以做最多的跳蛙。
花园里的青蛙雕像被设计成看起来像是在做跳蛙。
体操运动员在地板动作中表演了跳蛙。