顶绳攀登是最普遍的一种形式，也是同搭档一起合作的基本攀爬方法。
Top roping is probably one of the most common types and is basically climbing with a partner.
它能爬到笼的顶，它能在绳上摇摆。
It can climb to the top of the cage, It can swing on the rope.
一顶点被丢弃的登山绳，一些被撕破的塑料薄膜或甚至是一只旧的徒步旅行靴，在野外都会大有用处。
A bit of discarded climbing rope, some ripped plastic sheeting or even an old hiking boot can be of great use in the woods.
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