noun 下载 🔗分享 铁锁, 铁锁环. A metal link with a gate that can open and close, generally used for clipping ropes to anchors or other objects. Examples : "The rock climber carefully checked his karabiners before attaching them to the rope and the climbing wall. " 登山者在把铁锁环扣到绳子和攀岩墙上之前,仔细地检查了他的铁锁环。 material utility sport technical item thing 与AI对话词汇游戏阅读练习