释义 |
bounce up and down bounce up and downTo hop up and down. The kids started bouncing up and down when they heard school was closed for the day.See also: and, bounce, down, upbounce up and downto spring up and down due to natural elasticity or from being jostled or thrown. The ball bounced up and down for an amazingly long time. I bounced up and down in the back of that truck for almost an hour.See also: and, bounce, down, up |