Gyms usually provide ropes and rent shoes harnesses and belaying devices.攀岩场通常会提供绳索以及出租攀岩鞋、安全带跟确保装置.Don't ever use any other type of carabiner for belaying.不要用其他的锁做保护....

v.把绳索拴在系绳栓上( belay的现在分词 )...

belaying的音标：...