roof
gb/ɹˈuf/ us/ɹˈuf/
A1
英语
~ 2000
义项
0 个义项
名词
A1
entity
1
Top covering of a building
The top part of a building that covers it and keeps out rain, snow, sun, etc.
用法模式：
[a building] has a [roof]
常见错误：
Learners sometimes confuse 'roof' with 'ceiling'; the ceiling is inside a room, while the roof is outside and on top of the building.
近义词
ceiling (Refers to the interior surface inside a room under the roof, not the outer covering.)
|
canopy (A covering over an area, often outdoors, not necessarily part of a building.)
反义词
floor (The surface you walk on inside a building, opposite in orientation to the roof.)
搭配
flat roof
|pitched roof
|roof tiles
|roof repair
|roof garden
主题
architecture
|daily life
|construction
|housing
|core_vocabulary
例句
- The heavy snow caused the roof to collapse.
- We decided to paint the roof red to match the shutters.
- Birds were nesting on the roof of the old barn.
- The workers climbed up to fix the leaking roof.
学习者例句
- The house has a red roof.
- Rain falls on the roof.
- The cat is on the roof.
- We clean the roof in summer.
名词
B1
entity
2
Upper surface inside mouth
The top part inside your mouth, above your tongue.
常见错误：
Learners may not know this meaning and think 'roof' only refers to buildings.
近义词
palate (The anatomical or medical term for the roof of the mouth.)
搭配
roof of the mouth
主题
anatomy
|health
|body
|core_vocabulary
例句
- The hot pizza burned the roof of my mouth.
- She felt a tickle on the roof of her mouth.
- The dentist examined the roof of his mouth for sores.
学习者例句
- I hurt the roof of my mouth.
- Food touched the roof of my mouth.
- The doctor looked at the roof of my mouth.
动词
B2
action
3
To cover with a roof
To build or put a top cover on a building or structure.
用法模式：
to roof [a building/structure]
近义词
cover (A more general term meaning to place something over; not specific to roofs.)
搭配
roof a house
|roofed structure
主题
construction
|housing
|work
|core_vocabulary
例句
- They will roof the new garage next week.
- The shed was roofed with corrugated metal.
- Workers are roofing the extension before winter arrives.
学习者例句
- They will roof the house soon.
- We need to roof the shed.
- The men are roofing the building.
语法
词典原形
roof
IPA
GB/ɹˈuf/
US/ɹˈuf/
音节与重音
roof （1 个音节）
Stress on 1st syllable (roof)
词形变化
Noun
- Base: roof
- Plural: roofs, rooves
Verb
- Base: roof
- 3rd Person Singular: roofs
- Present Participle: roofing
- Past: roofed
词族
Forms
roofs
noun
rooves
noun
roofing
verb
roofed
verb
Related words
roofer
noun
rooftop
noun
Negative and opposite forms
roofless
adjective
Advanced or less common
reroof
verb
相关表达
go through the roof
1/ɡˈoʊ θɹˈu ðə ɹˈuf/
idiom
informal
Increase greatly or become angry
To increase very quickly; or to become very angry.
例句
- Prices have gone through the roof this year.
- Dad will go through the roof when he hears about this accident.
hit the roof
1/hˈɪt ðə ɹˈuf/
idiom
informal
Become very angry suddenly
To suddenly get very angry.
例句
- She hit the roof when she saw the mess in the kitchen.
- My boss will hit the roof if we miss another deadline.
raise the roof
1/ɹˈeɪz ðə ɹˈuf/
idiom
informal
Make loud noise in celebration or protest
To make a lot of noise, usually by cheering or shouting.
例句
- The crowd raised the roof when their team scored.
- They plan to raise the roof at tonight's concert.
under one roof
1/ˈʌndɚ wˈʌn ɹˈuf/
idiom
In the same building
In the same place or building.
例句
- The new shopping center has all your favorite stores under one roof.
- We finally have all our offices under one roof.