The two sides exchanged small arms fire for about three hours.

双方用轻武器交火大约有3 个小时。

《柯林斯英汉双解大词典》

He exchanged pleasantries about his hotel and the weather.

他就他住的宾馆和天气寒暄了几句。

《柯林斯英汉双解大词典》

The simplest consumer contracts make assertions about the messages exchanged between service providers and consumers.

最简单的消费者契约，就是对服务提供者与消费者之间交换的消息作断言。

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SDRs,which are worth about $1.50 can be exchanged for the leading currencies, including the dollar, the euro and the yen.

VOA: standard.2009.04.20

Mothers exchanged stories about how their children fit in at their new schools.

WSJ: Displaced Japanese Town Tries to Stay Intact

At some point, they exchanged texts about the "news" and agreed to meet at Dzhokhar Tsarnaev's dorm room in Dartmouth.

CNN: SHARE THIS

And once on the trains, commuters - normally travelling in gloomy silence - cheerily exchanged stories about their first euro experiences.

BBC: EU praises euro changeover