The plural can be pronounced /ruːfs/ or /ruːvz/. 复数可以读作 /ruːfs/ 或 /ruːvz/
1 N-COUNT 房顶;屋顶 The roof of a building is the covering on top of it that protects the people and things inside from the weather. 房顶;屋顶
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...a small stone cottage with a red slate roof.
有着红色石板房顶的小石屋
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A pail stood in one corner of the room to catch the drips where the roof leaked.
房间的一角放着一个提桶，以接住从屋顶漏下来的水滴。
2 N-COUNT 顶篷;车顶;车篷 The roof of a car or other vehicle is the top part of it, which protects passengers or goods from the weather. 顶篷;车顶;车篷
3 N-COUNT 口腔顶部;上腭 The roof of your mouth is the highest part of the inside of your mouth. 口腔顶部;上腭
4 N-COUNT (洞穴、矿井等的)顶部 The roof of an underground space such as a cave or mine is the highest part of it. (洞穴、矿井等的)顶部
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The cave roof collapsed.
洞顶坍塌了。
5 PHRASE （价格、通货膨胀率等）猛增，飞涨 If the level of something such as the price of a product or the rate of inflation goes through the roof, it suddenly increases very rapidly indeed. （价格、通货膨胀率等）猛增，飞涨 [informal]
6 PHRASE 怒气冲天;大发雷霆;暴跳如雷 If you hit the roof or go through the roof, you become very angry indeed, and usually show your anger by shouting at someone. 怒气冲天;大发雷霆;暴跳如雷 [informal]
7 PHRASE [head inflects] 住处;家 If you have a roof over your head, you have somewhere to live. 住处;家
8 PHRASE （在屋内）喧闹，喧嚣，大闹翻天 If a group of people inside a building raise the roof, they make a very loud noise, for example by singing or shouting. （在屋内）喧闹，喧嚣，大闹翻天
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He raised the roof at the conference when he sang his own version of the socialist anthem, The Red Flag.
他演唱自己改编的社会主义赞歌《红旗颂》时，声音穿透了会场的屋顶。
9 PHRASE 同在一个屋檐下;在同一栋大楼里 If a number of things or people are under one roof or under the same roof, they are in the same building. 同在一个屋檐下;在同一栋大楼里
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The firms intend to open either together under one roof or alongside each other in shopping malls.
这些公司想一起开在同一栋大楼里，或者彼此紧挨着开在大型购物中心里。
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While his relations with his mother were reasonably satisfactory, having her living under the same roof was a totally different matter!
虽然他和母亲的关系还算不错，但和她住在一起就完全是另外一回事了。
10 PHRASE [PHRASE after verb, verb-link PHRASE] 在…的家里 If something happens under your roof, it happens in your home. 在…的家里
| Word Partnership | Use roof with: |
| N. | roof of a building/house, metal roof, rain on a roof, slate roof, tin roof 1 |
| VERB. | roof collapses, roof leaks, repair a roof 1 |
| ADJ. | retractable roof 1 2 |
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