| 释义 |
punching bag  noun North American term for punchbag.The steel ball allows the punching bag to move freely in any direction and reduces the pressure on the ceiling joist....- The next day, his wrist throbbing from a previous bout with a punching bag, Els tumbled back into the crowd.
- I turned back towards the punching bag and began hitting it again, like I had been doing for the last 2 and 1/2 hours.
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