1. 铁锁：Jumar 用上升器上升. | Karabiner 铁锁. | Kernmantle rope 有打卷了的多股内芯和外织层的特别尼龙绳.
2. 岩钉钢环：kaput 过时的 | karabiner 岩钉钢环 | Karachai 卡拉柴人
karabiner在线翻译
noun
1. an oblong metal ring with a spring clip used in mountaineering to attach a rope to a piton or to connect two ropes
Synonym: carabiner snap ring