| 词汇 | speed-bag |
| 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. Exercising & training active recovery aerial yoga aerobic aerobic exercise aerobicize gym bunny gym rat health spa heavy bag HIIT jogger pump ironidiom rope climb rope climbing rowing machine run on the spotphrase Russian twist slimmer step aerobics weightlifting |
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