head-room

英['hedr'uːm] 美['hedr'uːm]
  • n.头室
  • head n.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
  • lining n.衬里;内层
名词 headroom:
  1. vertical space available to allow easy passage under something

  2. the capacity of a system to reproduce loud sounds without distortion