leapfrogged
v.
跳背，交替前进，跃过( leapfrog的过去式和过去分词 );
例句:
-
In Wushan, I met a cabdriver who told me that his home town had leapfrogged a half century.
来自NEWYORKER
-
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。
-
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.
-
"I leapfrogged over the teenage years and had to grow up very quickly," the Shadow Business Secretary has recalled.
来自THETIMES
-
That result meant both Bournemouth and Brentford leapfrogged Swindon, who fell down to fourth place.
来自THETIMES