自2010年至今的四级考试中， 共出现过 次
自2010年至今的六级考试中， 共出现过 次
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.
...a small stone cottage with a red slate roof...
A pail stood in one corner of the room to catch the drips where the roof leaked.
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.
The car rolled onto its roof, trapping him.
N-COUNT 口腔顶部;上腭 The roof of your mouth is the highest part of the inside of your mouth.
She clicked her tongue against the roof of her mouth.
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.
The cave roof collapsed.
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.
Prices for Korean art have gone through the roof.
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.
Sergeant Long will hit the roof when I tell him you've gone off.
PHRASE 住处;家 If you have a roof over your head, you have somewhere to live.
I am just thankful that we have a roof over our heads.
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.
He raised the roof at the conference when he sang his own version of the socialist anthem, The Red Flag.
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.
The firms intend to open either together under one roof or alongside each other in shopping malls...
While his relations with his mother were reasonably satisfactory, having her living under the same roof was a totally different matter!
PHRASE 在…的家里 If something happens under your roof, it happens in your home.
Lionel has forbidden her ever to mention that name again under his roof.