stern rope

例句：

1. 1. The rope was so tight that it couldn't be untied easily.
   这根绳子太紧了，不容易解开。
2. 2. He tightened the rope around the tree to secure it.
   他紧紧地把绳子绕在树上以固定它。
3. 3.The strong rope helped him pull the car out of the ditch.
   那根结实的绳子帮助他把车从沟里拉了出来。