大家都搜：
上下弹跳
1、down and down───一败涂地
2、walk up and down───来回走着
3、up down up up down───向上向下向上向下
4、running up and down───连串升降
5、bounce up and down───跳上跳下；上下弹跳
6、peduncle up and down───花梗上下
7、up and down───上上下下; 起落；上上下下；到处；前前后后；来来往往
8、teeming up and down───大起大落
9、bumping up and down───上下颠簸
1、He kept bouncing up and down like a yo-yo.───他像个悠悠球似的蹦蹦跳跳。
2、He was very excited and bouncing up and down, trying to sniff everything in this new environment.───小狗很兴奋，蹦蹦跳跳，试图嗅新环境里的每一件东西。
3、He has also completed the fastest mile bouncing up and down on a pogo stick in Antarctica.───他还完成了最快英里，在南极洲上蹦跳瘦长向上和向下。
4、Children like bouncing up and down on a sofa.───孩子们喜欢在沙发上蹦蹦跳跳。
5、The car was bouncing up and down as if someone were jumping on it.───车上下颠簸，仿佛有人正在上面跳动。
6、When the unicorn saw the number stuck to my side, it started bouncing up and down in excitement.───当这只独角兽看见贴在我侧面的数字时，它开始兴奋地跳上跳下。
7、Instead of merely bouncing up and down, it turns out that breasts arc through a complicated figure-8 pattern when a woman runs or walks.───除了仅仅上蹿下跳，当女性跑动或行走时，还发现，RuFang以数字“8”的形状走着弧线。
8、The boy squealed in delight bouncing up and down on the bed.───这男孩高兴得尖叫，在床上蹦蹦跳跳。
1、We sat bouncing up and down in our seats for the excitement.
2、Stop bouncing up and down on the sofa.
3、They look like some sort of animal, bouncing up and down like that.
4、Is the opponent bouncing up and down?
5、And it's Zack who gets the crowd bouncing up and down in time to his dazzling raps.
6、Dooley was bouncing up and down with excitement.
7、He kept bouncing up and down like a yo-yo .
8、There's these springy sort of things bouncing up and down on a string like they're alive.
9、Then I noticed the car was bouncing up and down as if someone were jumping on it.