grappling hook
爪钩
例句与用法：
A device, such as a grappling hook, that is used for dragging under water.
打捞器具用于在水下搜寻、打捞或疏浚的设备，如钩锚
词形变化：
名词: grappler | 动词过去式: grappled | 动词过去分词: grappled | 动词现在分词: grappling | 动词第三人称单数: grapples |
ph.
