Crux
01
关键点, 要点
the most important point
02
难点, 关键部分
(climbing) the most challenging or difficult part of a route or climb
例子
The crux of the climb required precise footwork and strong technique.
攀登的crux需要精确的步法和强大的技术。
She struggled to find the right hold at the crux of the route.
她在路线的crux处努力寻找正确的支点。
