karabiner
英 [ˌkærəˈbiːnə(r)]
美 [ˌkærəˈbiːnər]
n. (登山者使用的)穿索铁锁，岩钉钢环
复数：karabiners
牛津词典
noun
- （登山者使用的）穿索铁锁，岩钉钢环
a metal ring that can open to allow a rope to pass through, used by rock climbers to attach themselves safely to things
双语例句
- The point of actuation by gravity has not been investigated by the karabiner manufacturers and is subject to an unknown tolerance range.
岩钉钢环制造商对重力作用点一直未作研究，重力作用点取决于未知的公差范围。