leapfrog
/'li:pfrɒg/
📖 中文释义
- n. 跳背游戏, 竞相提高
- vi. 跳背, 交替前进
- vt. 跃过
🧩 词形变化
📘 English Definition(英文释义)
- n. advancing as if in the child's game, by leaping over obstacles or competitors
- n. a game in which one child bends down and another leaps over
- v. jump across