动词中文翻译
中文翻译：交换
同义词：
['trade', 'swap', 'transact']
例句：
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1.They exchanged pleasantries with each other before the meeting began.
会议开始前，他们互相问候。
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2. The two countries are in a constant state of exchange and cooperation.
这两个国家一直处于不断的交流和合作状态。
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3. He exchanged his old watch for a new one at the flea market.
他在跳蚤市场用旧手表换了一只新的。