跳背戏

leapfrog───n.跳背游戏；v.玩跳背游戏；越级提升；超过，超越；跨越（障碍）

leapfrogs───n.跳背游戏；v.玩跳背游戏；越级提升；超过，超越；跨越（障碍）

bell frog───钟形蛙

keep from───隐瞒；阻止；抑制

leapfrogged───交替前进；跃过（leapfrog的过去式和过去分词）；使交互跃进（leapfrog的过去式和过去分词）

to leapfrog───跳跃

bell frogs───钟蛙

cheap food───便宜的食物

goliath frog───歌利亚蛙

I like to compare economic competition to a game of leap frog.───我想把经济竞争比做跳蛙比赛.

Children playing leap frog in a Harlem street, ca.───孩子在玩的飞跃青蛙在哈勒姆街, 长约.

current mode high pass filter based on a differential circuit having simple and leap frog structure with excellent performance is proposed.───给出了一种结构简单、性能优良的微分电路，并提出了用该电路实现的电流模式跳耦结构高通滤波器。

But the blood product service will realize the leap frog development.───而血液制品业务将实现跨越式发展.

But since then Apple's success has also led to the leap - frog its competitors to emulate.───但此后,苹果的成功也导致了竞争者的竞相效仿.

She may have the old Leap-frog, for all I care.───她可以得到那只跳鹅，和我一点关系也没有。

The problems of lateral boundary treatment needed When this scheme is applied to the limited area model are also discussed. A new boundary filter equivalent to that of leap frog scheme is proposed.

Children playing leap frog in a Harlem street, ca.