an oblong metal ring with a spring clip; used in mountaineering to attach a rope to a piton or to connect two ropes
例句
The possibility of cross loading the karabiner shall be minimised. 将勾环受到横向拉力的机会降到最低。
Snaplink - Name for karabiner, popular in the US military/Britain(?). 铁锁的名称，在美国军界和英国通用。
Munter hitch -A friction knot, typically tied to a large karabiner, which can be used to belay a climber. 意大利结。单环结。一种摩擦力绳结，可以系在主锁上保护攀登者。记住这个绳结，在你万一丢失你的保护装备时使用。
The reassuring action of putting the rope through a karabiner (that is attached to a piece of pro). 一个保护安全动作:当攀登途中;将身上的主绳挂入可开口的钩环中.
Auto-lock - Spring-loaded, twisting mechanism on a karabiner gate that locks by itself when the gate is closed. 铁锁锁门上的弹簧扭转装置，锁门关闭时可以自行锁定。
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。
