索圈

例句：

1. 1. The rope was too short to reach the other side of the river.
   这条绳子太短了，够不到河的另一边。
2. 2. He used a rope to pull himself up the ladder.
   他用一根绳子把自己拉上了梯子。
3. 3. The rope was wrapped around the tree to secure it.
   绳子绕在树上以固定它。