ceiling

B1 CET-4 Oxf 3000 初中 FREQ #5013 ★★☆☆☆

n. 天花板 [经] 顶点, 顶线, 上限

发音

UK /ˈsiːlɪŋ/
US /ˈsilɪŋ/

词形变化

ceilings 复数 ceilings

别名

ceil ceilin' cieling

教材释义与例句

名词

天花板；上限

the inner surface of the top part of a room

rooms with high ceilings

天花板很高的房间

a light hanging from the ceiling

吊在天花板上的灯

释义与例句

n. B1 Oxf 3000
  1. 1.

    The overhead closure of a room.

    The dining room had an ornate ceiling.

  2. 2.

    The upper limit of an object or action.

    天花板

    天棚

    天篷

  3. 3.

    The highest altitude at which an aircraft can safely maintain flight.

    航空 商务 工程
  4. 4.

    The measurement of visible distance from ground or sea level to an overcast cloud cover; under a clear sky, the ceiling measurement is identified as "unlimited."

    气象

    Even though it was cloudy, there was still enough ceiling for the Blue Angels to perform a great show.

  5. 5.

    The smallest integer greater than or equal to a given number.

    数学

    The ceiling of 4.5 is 5; the ceiling of −4.5 is −4.

  6. 6.

    The inner planking of a vessel.

    航海 交通
  7. 7.

    The maximum permitted level in a financial transaction.

    商务 金融
  8. 8.

    The overhead interior surface that covers the upper limits of a room.

    建筑
v.
  1. 1.

    present participle and gerund of ceil

词汇关系

名词

同义词 2

roof cap

上位词 3

control height altitude

下位词 3

overhead absolute ceiling glass ceiling

整体词 3

room hall hallway

相关短语

ceiling fan 吊扇 ceiling function [计] "天棚"函数 ceiling functions ceiling fans ceiling effect ceiling effects ceiling bird ceiling birds ceiling paper ceiling papers glass ceiling n. 玻璃天花板; 玻璃天花板封顶 flight ceiling cloud ceiling hit the ceiling 勃然大怒 drop ceiling

词源

From Middle English celing (“paneling; (bed) cover or hanging”), from celen (“to cover or panel walls”) (from Old French celer (“to conceal”)) + -ing (gerund-forming suffix). By surface analysis, ceil + -ing.

来源：wiktionary