Definition: rising and falling Level: B2
他们不耐烦地跳上跳下。
They were jumping ___up ___and ___down with impatience.
嗯，你应该高兴得蹦蹦跳跳（开玩笑的）！
Well, you should be bouncing ___up ___and ___down with joy ___just kidding!
船在波浪中上下起伏。
The boat moved ___up ___and ___down on the waves.
