double-hung window

英 美
  • 双悬窗
  • double adj.双重的;成双的;两倍的v.翻一番;使...加倍n.两倍;双份
  • hung adj.悬而未决的动词hang的过去式和过去分词.
  • window n.窗户;橱窗;视窗
Noun:
  1. a window having two sashes that slide up and down