英语词汇punching bag怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	punching bag
释义	punching bag〈美〉 1. (练习拳击用的)沙袋 2. 发泄怒气(或烦恼)的对象 I told him that I wasn't going to be a punching bag for anyone. 我告诉他我不会成为任何人的出气筒。
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