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.

youdao

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.

youdao