leapfrogged /ˈli:pˌfrɔɡd/ 📖 中文释义 v. 跳背, 交替前进, 跃过( leapfrog的过去式和过去分词 ) 🧩 词形变化 原形 leapfrog变形 pd 📘 English Definition(英文释义) v. jump acrossv. progress by large jumps instead of small increments ← leapfrog test L 字母词表 leapfrogging →