boat trailer

例句：

1. 1. The boat trailer was the only way to get our car out of the mud.
   拖船是我们唯一能将汽车从泥潭中拖出来的方法。
2. 2.The towboat operator had to wait for a favorable tide to safely tow the boat back to port.
   拖船操作员不得不等待一个有利的潮汐，安全地将船拖回港口。
3. 3. The towing vehicle was designed to handle heavy loads and long distances.
   拖车设计用于处理重载和长距离运输。