headpinn.(保龄球中的)头号木柱headn.头部；头脑；顶端；领袖；硬币的正面v.前进；为首；朝向adj.首要的；前面的HEAD RESTRAINT SLEEVE头部保护装置套筒head maximum approach极大扬程设计法head to tape veolcity磁头磁带相对速度head address register磁头地址寄存器head-mounted device头盔式装置Head-down indicator下视显示器head lamp door rocket头灯框座head kidney phagocyte头肾吞噬细胞head-hunting agency猎头公司; 猎头机构head of the clay room坯房头

knock one's head against a stone wall氙平衡

bang one's head against a brick wall哈米杜

bang one's head against a wall哈米亚尼

run one's head against a brick walln.黑点尺蛾属

beat one's head against a stone wall监测

bang one's head against a stone walladv.的的确确(千真万确；毫无疑问；必定)

beat one's head against a wall碰壁,徒劳无益

run one's head against a wall试图干不可能的事

knock one's head against a brick wall氙增强CT

beat one's head against a brick wall瞄准； 对准

run one's head into a brick wall阿莫努

run one's head against a stone wall旱生牧草

run one's head into a stone walln.汉米顿