如何使用 "unhitch" 造句

1. The trailer was wonderful on the smoother roads near beijing , and it was a big advantage to be able to unhitch the car and use it separately , leaving the horses tied safely to the trailer .
拖车在北京周边的较为平坦的道路上使用效果很棒,能够将车分开来用也是一个很大的优势,而马也能够安全地系在拖车上。