advancing as if in the child's game, by leaping over obstacles or competitors
同义词：leapfrog
a game in which one child bends down and another leaps over
jump across
progress by large jumps instead of small increments
英汉双解词典包含3185865条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。