unoriented rigion

例句：

1. 1.The unoriented rigion in the forest was a hazard to hikers.
   森林中的无定向绳是徒步旅行者的危险。
2. 2.He used an unoriented rigion to tie his shoelaces.
   他用一根无定向绳来系鞋带。
3. 3.The unoriented rigion in the woods made it difficult for him to find his way.
   树林里的无定向绳让他难以找到路。