rope wool

例句：

1. 1. The rope was too short to reach the other end of the tree.
   绳子太短，够不到树的另一头。
2. 2. He used a rope to tie up the horses.
   他用一条绳子把马拴了起来。
3. 3. The rope was so thick that it could not be easily untied.
   这条绳子太粗了，难以解开。