Top Roping: Free climbing a route that has the safety rope attached to the top of the climb (usually one walks to the top to set up the top-rope belay).是什么意思_Top Roping: Free climbing a route that has the safety rope attached to the top of the climb (usually one walks to the top to set up the top-rope belay).在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句