Leapfrog
n. 跳背游戏, 竞相提高\\nvi. 跳背, 交替前进\\nvt. 跃过
✅ 同义词
🗣️ 情景例句
Good idea.
好主意。
I asked him a lot of questions.
我问他很多问题。
I visited museums and sat in public gardens.
我参观了博物馆，还去了公园。