复数：prusiks 过去分词：prusiked 现在分词：prusiking
1.a knot used to tie a small sling to a climbing rope, forming a loop that holds fast when weighted but can be slid along the rope when unweighted
2.a small sling attached to a climbing rope using a prusik knot
1.to ascend or descend a climbing rope using a prusik sling
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