leapfrogged是什么意思？

leapfrogged

• v. 跳背，交替前进，跃过( leapfrog的过去式和过去分词 )；

例句

• Scotland have been leapfrogged by the Czech Republic who thus get one automatic Group qualifier. 苏格兰已经被捷克取代,后者联赛冠军将直接进入小组阶段.
• He leapfrogged his classmates. 他以蛙跳方式跃过他的同学.
• They leapfrogged the enemy's main force and struck at his weak points. 他们避开敌人主力而打击其薄弱点.
• American researchers have now leapfrogged the Japanese and are going to produce a digital system within a year or two. 美国研究人员现已乘日本人之东风赶超而上，将在一两年内研制出一套数字系统。
• It is already obvious that all four American systems have leapfrogged over the European versions... 4个美国系统全部超过了欧洲版本，这已是显见的事实。

柯林斯高阶英汉双解学习词典释义

• N-UNCOUNT
  （一人弯腰、另一人从其背上跳过的）跳背游戏
  Leapfrog is a game which children play, in which a child bends over, while others jump over their back.
  例句
  ...children engaged in activities such as riding, playing leapfrog, or football. 在玩骑马、跳背和足球等的孩子们
• VERB
  （借势）超越，赶超
  If one group of people leapfrogs into a particular position or leapfrogs someone else, they use the achievements of another person or group in order to make advances of their own.
  例句
  It is already obvious that all four American systems have leapfrogged over the European versions... 4个美国系统全部超过了欧洲版本，这已是显见的事实。 American researchers have now leapfrogged the Japanese and are going to produce a digital system within a year or two. 美国研究人员现已乘日本人之东风赶超而上，将在一两年内研制出一套数字系统。