Lie on your back in a room and look up. There is a flat surface above you, and it stops there — you cannot go higher inside this room. That is the picture in ceiling: the top you run into. Every other use of the word keeps that same feeling of a lid overhead, even when nothing is actually built out of plaster.
登入就可以看每一支怎麼連回核心畫面。
原始詞典資料9 筆記錄
以下是外部詞典記錄的用法，摘錄並精簡格式，我們還沒有寫成教學內容。上面的說明才是我們自己寫的；有些用法可能上面已經講過了。
ceilingnoun詞源 1/ˈsiːlɪŋ/
- 1
The overhead closure of a room.
- The dining room had an ornate ceiling.
- 2
The upper limit of an object or action.
- […] and only at Barnet did Tappin give Empire of India a burst to bring us up to the 60 m.p.h. speed ceiling of the London area.
- Market forces naturally move the economy to the equilibrium, and the price ceiling has no effect on the price or the quantity sold.
- 3
aeronauticsaerospaceaviationThe highest altitude at which an aircraft can safely maintain flight.
- 4
climatologymeteorologynatural-sciencesThe 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."
- Even though it was cloudy, there was still enough ceiling for the Blue Angels to perform a great show.
- 5
mathematicssciencesThe smallest integer greater than or equal to a given number.
- The ceiling of 4.5 is 5; the ceiling of −4.5 is −4.
- 6
nauticaltransportThe inner planking of a vessel.
- 7
businessfinanceThe maximum permitted level in a financial transaction.
- 8
architectureThe overhead interior surface that covers the upper limits of a room.
這個拼法也被記錄為下列字的變化形：
- ceil
摘錄自 英文維基詞典 English Wiktionary，已精簡格式；依 CC BY-SA 4.0 授權使用，改動後的內容同樣以此授權提供。