bouncing ball

基本解释

For example, a bouncing ball tends to have a lot of ease in and out when at the top of its bounce.
例如，一個彈跳的球在它跳到頂部時趨曏於緩入和緩出。
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When play restarted almost immediately a bouncing ball was contested and water and sweat flew off the players' heads.
幾乎是在比賽剛剛重新開始時，就出現了爭搶反彈球的場麪，水和汗夾從球員的頭上飛濺出來。
It's the most important aspect, and the part on which the whole cycle rests… just imagine that the hips are a bouncing ball that to give weight and rhythm to the cycle.
這是最重要的一環，是整個運動都要依賴的一分，衹需要把胯想象成一個跳躍的球，它將帶給整個循環以重量和節奏。

His records include bouncing a ball the fastest for one mile,or 1.6 kilometers, on the Great Wall of China.