动词短语
中文翻译：兑换
同义词：
['exchange', 'exchange for', 'convert', 'turn into']
例句：
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1. He cashed in his chips at the casino.
他在赌场用筹码兑换了。
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2. The old man cashed in his savings to buy a new car.
那位老人用他的积蓄换了一辆新车。
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3. She cashed in her winnings and bought a new dress.
她用她的奖金买了一件新裙子。