Single runner -A 5.5-foot length of webbing tied into a loop with a water knot, used for attaching pro to the climbing rope or for creating anchors.是什么意思_Single runner -A 5.5-foot length of webbing tied into a loop with a water knot, used for attaching pro to the climbing rope or for creating anchors.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句