jumar

美 [?d?um?r] 　英 [?d?u:m?]

• n.攀登冰裂縫使用的套繩器
• 網(wǎng)絡(luò)用上升器上升；一種上升器；祖馬

詞形變化

復(fù)數(shù)：jumars  過(guò)去分詞：jumared  現(xiàn)在分詞：jumaring  

英漢解釋

n.	1. 攀登冰裂縫使用的套繩器

英英解釋

n.	1. a clip or clamp used in rock climbing or ice climbing that runs freely up a slack rope but tightens around the rope in response to weight applied from below
v.	1. to climb using jumar clamps