动词
中文翻译：交换
同义词：
['trade', 'swap', 'transact例句：1. They exchanged pleasantries with each other at the airport.（他们在机场互相问候。）']
例句：
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1. They exchanged pleasantries with each other at the airport.
他们在机场互相问候。
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2.The company exchanges its shares on the stock market.
该公司在股票市场上进行股票交易。
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3. The farmers exchanged their crops for new seeds.
农民们用他们的庄稼换新种子。