Her reward was a free trip.

她的报酬是一次免费旅行。

She received a free trip as a reward.

她作为奖赏获得了一次免费旅行。

My brother won a free trip and he's taking me.

我哥赢了一个免费的旅行，他要带我上。

The winner of the contest gets a free trip to Australia.

这场比赛的冠军赢得一趟免费的澳洲之旅。

Each Finalist will receive a free trip to Barcelona for the Championship.

每位进入决赛的选手会免费获得去巴塞罗那争夺冠军的机票.

My son Jason won a free trip to Disneyland by entering a local company's promotional contest.

我的儿子杰森参加一家本地公司的促销竞赛，赢得了一趟免费的迪士尼乐园之旅。

For instance, ifyou’re a nonprofit that provides whale-watching services, you may want to giveyour volunteer a free trip aboard your boat.

打个比方，如果您的机构是从事保护鲸鱼工作的，您可以请志愿者到组织的船上兜一圈。