roof

roof
(pl. roofs)
  1. the structure forming the upper covering of a building or vehicle
    （建筑物，车）顶，顶部；屋顶；顶盖
    ■the top inner surface of a covered area or space; the ceiling
    天花板；车顶；洞顶；穹顶
    the roof of the cave fell in.
    洞顶坍了。
    ■the upper limit or level of prices or wages
    （价格，工资）最高限度，上限
    starting salary £12,185, rising to a roof of £16,835.
    起薪12,185英镑，上限16,835英镑。
    ■used to signify a house or other building, especially in the context of hospitality or shelter
    房屋；住处；家；栖身处
    helping those without a roof over their heads.
    帮助那些无栖身之处的人。
    they slept under the same roof.
    他们睡在同一屋檐下。
verb
  1. [with obj.](一般作 be roofed)cover with a roof
    给…盖上屋顶
    the yard had been roughly roofed over with corrugated iron.
    院子将就地盖上了瓦楞铁屋顶。
    ■function as the roof of
    起屋顶作用；覆遮，遮蔽
    fan vaults roof these magnificent buildings.
    这些宏伟的建筑的屋顶是扇形的穹顶。
常用词组
go through the roof
informal
非正式
  1. (of prices or figures) reach extreme or unexpected heights
    （价格，数目）涨到最高限度；高得离谱；突破上限
  2. another way of saying hit the roof
    同hit the roof
hit (或 go through) the roof
  1. (informal)suddenly become very angry
    (非正式)勃然大怒；暴跳如雷
raise the roof
  1. 见 raise
the roof of the world
  1. a nickname given to the Himalayas
    世界屋脊（喜马拉雅山的别称）
派生
roofless
adjective
语源
  1. Old English hrōf, of Germanic origin; related to Old Norse hróf 'boat shed', Dutch roef 'deckhouse'. English alone has the general sense 'covering of a house'; other Germanic languages use forms related to thatch
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