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 roof [ru:f]   添加此单词到默认生词本
n. 屋顶, 室顶

vt. 给...盖屋顶, 遮蔽

[医] 室顶, 盖




    roof
    [ noun ]
    1. a protective covering that covers or forms the top of a building

    2. <noun.artifact>
    3. protective covering on top of a motor vehicle

    4. <noun.artifact>
    5. the inner top surface of a covered area or hollow space

    6. <noun.object>
      the roof of the cave was very high
      I could see the roof of the bear's mouth
    7. an upper limit on what is allowed

    8. <noun.communication>
      he put a ceiling on the number of women who worked for him
      there was a roof on salaries
      they established a cap for prices
    [ verb ]
    1. provide a building with a roof; cover a building with a roof

    2. <verb.contact>


    Roof \Roof\, v. t. [imp. & p. p. {Roofed}; p. pr. & vb. n.
    {Roofing}.]
    1. To cover with a roof.

    I have not seen the remains of any Roman buildings
    that have not been roofed with vaults or arches.
    --Addison.

    2. To inclose in a house; figuratively, to shelter.

    Here had we now our country's honor roofed. --Shak.


    Roof \Roof\, n. [OE. rof, AS. hr?f top, roof; akin to D. roef
    cabin, Icel. hr?f a shed under which ships are built or kept;
    cf. OS. hr?st roof, Goth. hr?t. Cf. {Roost}.]
    1. (Arch.) The cover of any building, including the roofing
    (see {Roofing}) and all the materials and construction
    necessary to carry and maintain the same upon the walls or
    other uprights. In the case of a building with vaulted
    ceilings protected by an outer roof, some writers call the
    vault the roof, and the outer protection the roof mask. It
    is better, however, to consider the vault as the ceiling
    only, in cases where it has farther covering.

    2. That which resembles, or corresponds to, the covering or
    the ceiling of a house; as, the roof of a cavern; the roof
    of the mouth.

    The flowery roof
    Showered roses, which the morn repaired. --Milton.

    3. (Mining.) The surface or bed of rock immediately overlying
    a bed of coal or a flat vein.

    {Bell roof}, {French roof}, etc. (Arch.) See under {Bell},
    {French}, etc.

    {Flat roof}. (Arch.)
    (a) A roof actually horizontal and level, as in some
    Oriental buildings.
    (b) A roof nearly horizontal, constructed of such material
    as allows the water to run off freely from a very
    slight inclination.

    {Roof plate}. (Arch.) See {Plate}, n., 10.

    1. This practice is known in the industry as 'skin-to-skin' working. The report said the roof fall was caused by rock movement 'probably' triggered by 'the relatively high rate of advance of the working in the roadway'.
    2. It was raised more than 1m off the ground on thick trunks, and the eaves of its thatched roof sloped down almost to the level of the platform. The Sakuddai are justifiably proud of their homes.
    3. In February, British Airways gave its fleet of Concorde jets a clean bill of health after safety checks following the discovery of small cracks in the roof structure of one plane.
    4. Termite tunnels snaked up the walls and into the wooden beams holding up the roof.
    5. He then walked along a beam on the roof to the front of the building and jumped.
    6. Two attackers thought to be leftist guerrillas fired rocket-propelled grenades at the U.S. Embassy Wednesday night and an embassy spokesman said the roof was slightly damaged, but no one was hurt.
    7. The biggest element was replacing the thatched roof.
    8. He said he saw "furniture and enormous lumps of metal flying everywhere." "The whole of the buffet car disintegrated," Reeves said. "The roof split open like a ripe tomato and that's how we got out.
    9. In Peshawar, Pakistan, on Wednesday, a bomb exploded and tore a two-foot hole in the roof of a British Council library.
    10. Concerns rest more with its roof tile business, where competition has been intense, and slow progress in the repair and maintenance sector, which typically benefits the 'lighter' building products.
    11. As they do, however, a Chinese soldier perched high atop a roof overlooking the square quietly photographs any Tibetan bold enough to go up to the visitors.
    12. I ignored it and put the cap on the car roof while refueling.
    13. Under Big Bang, brokers have joined investment and commercial banks under one roof, often that of a financial conglomerate like Mercantile House.
    14. They eventually helped convict seven owners of wildcat mines where 15-year-old boys worked in unventilated tunnels with poor roof supports, and they gained a precedent-setting conviction of a coal broker for buying coal mined illegally.
    15. These inch forward, supporting the roof as a cutter tears out the coal.
    16. At St. Michael's Episcopal Church, a piece of wood was lodged in the side of the roof like a spear and stones from the facade of the Charleston County Courthouse littered the ground.
    17. Your roofer must decide whether your new roof can be applied directly over the old one.
    18. Variety like that is what megadealers are all about, no matter if they're under one roof, in one city or spread out nationwide.
    19. Owen Williams' design was highly innovative for the 1930s. The production line dictated the length of the plant, and the need for as much natural light as possible produced the design of a concrete roof with 150,000 glass discs.
    20. Many areas reported downed trees, signs, roof damage and electrical failures.
    21. The mansard roof and the top floor were added in 1847 using timbers salvaged from the river barges.
    22. One Oakland hills resident called Scott's office when roof rats scurrying through his house set off the motion detector in his home security system.
    23. Like the original, the replica has a roof that opens to provide sunlight for filming.
    24. State mine-safety records show the mine had recurrent problems controlling loose coal and coal dust _ which is explosive in certain conditions _ and supporting the mine roof properly.
    25. The roof of a 19-year-old Boeing 737 tore off an Aloha Airlines flight at 24,000 feet on April 28, killing one person and injuring 61. The accident was blamed on cracks in the fuselage skin from repeated pressurization and depressurization of the cabin.
    26. Among the photographs displayed on the second-floor balcony is one showing Katharine Hepburn and Spencer Tracy, stars of "The Sea of Grass," sitting on El Rancho's roof with the movie's director, who is not identified.
    27. The homeowner, who was not identified, noticed the snake sunning on his roof earlier in the week.
    28. The plane had just fueled and reportedly was taking off for Myrtle Beach, S.C., when it crashed through the roof of the plant, a three-building complex that manufactures airplane seat covers, officials said.
    29. The U.S. Embassy officials said the only damage from the grenade attack on the building was to the roof, which sustained minor damage.
    30. Bondholders arriving for the meeting were shocked to see bright yellow buckets collecting rainwater leaking from the roof in the casino's lobby.
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