名词
中文翻译：拖车
同义词：
['RV', 'camper van', 'traveltrailer']
例句：
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1. We rented a travel trailer to take our familyon a road trip across the country.
我们租了一辆旅行拖车，带着全家去全国各地自驾游。
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2. The travel trailerwas parked in the middle of thefield, ready for us to set upcamp.
旅行拖车停在田野中间，准备我们搭建帐篷。
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3. They decided to buy atravel trailer so they could have more spacefor their camping gear.
他们决定买一辆旅行拖车，以便有更多的空间存放他们的露营装备。