punchball
noun /ˈpʌntʃbɔːl/
  /ˈpʌntʃbɔːl/
- a heavy leather ball, fixed on a spring, which is hit with the fists (= closed hands), especially by boxers as a part of training, or as a form of exercise
 
| 单词 | punchball | 
| 释义 | punchballnoun /ˈpʌntʃbɔːl/   /ˈpʌntʃbɔːl/ 
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