| 释义 |
speed bag
noun[ C ]
mainly USuk /ˈspiːd ˌbæɡ/ us /ˈspiːd ˌbæɡ/(also punching bag); (UK usuallypunchball)
a leather bag filled with air, hung from a frame or attached to a stand and used by boxers for training or exercise: （练习拳击时所使用的）速度球
He's like a champion boxer working the speed bag.他就像一个拳击冠军在进行速度球练习。
The speed bag works your shoulders and your hand-eye coordination.速度球可以锻炼肩膀，还可以锻炼手眼协调能力。
David Tran/iStock/Getty Images Plus/GettyImages
A young boxer pounds a speed bag against its wooden base.
She skipped rope, learned footwork and how to hit a speed bag.
His feet were hammering the track like a boxer's hands on a speed bag.
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