所有先锋比赛路线选手应以先锋攀登，下方确保为之。
All lead competition routes shall be climbed on lead with the competitor belayed from below.
先锋攀登：从最底处开始爬，然后一边放置(挂入)确保支点。
Leading: to ascend a climb from the bottom up, placing protection (or clipping protection) as you go.
事前曾练习爬过该路线，以先锋攀登的方式、坠落地完攀该路线。
To successfully climb a route on lead, without falling, after practice or rehearsal of required sequence.
大多数的运动攀登上方都有个先锋撤退的确保站，确保站由两个耳片，可能还有一条连接绳或扁带所组成。
The vast majority of sports climbs have a 'lower off' point at the top, which may consist of two bolts and possibly a linking chain or sling.
我看过第二攀登者在多绳距攀登时离他的先锋者很远一段距离，最后躺在血泊中，头撞到洞顶。
I watched a second on a multi pitch climb drop his leader a long way and end up in pool of blood as he was lifted into a cave roof.
我看过第二攀登者在多绳距攀登时离他的先锋者很远一段距离，最后躺在血泊中，头撞到洞顶。
I watched a second on a multi pitch climb drop his leader a long way and end up in pool of blood as he was lifted into a cave roof.
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