Word · Frequency #1879
roof
/ruːf/
noun
屋顶
The top outer covering of a building.
- 1.
The external covering at the top of a building.
建筑物顶部的外部覆盖物
- 2.
a protective covering that covers or forms the top of a building
屋顶；建筑物的顶部覆盖物
- 3.
The top external level of a building.
建筑物的顶部外部
- 4.
protective covering on top of a motor vehicle
车顶；机动车辆顶部的保护罩
- 5.
The upper part of a cavity.
腔体的上部
- 6.
the inner top surface of a covered area or hollow space
内顶面；覆盖区域或空洞空间的内部顶部表面
- 7.
The surface or bed of rock immediately overlying a bed of coal or a flat vein.
煤层或平坦矿脉上方的岩石表面或底层
- 8.
An overhanging rock wall.
悬垂的岩壁
车顶；内顶面；腔体顶部；顶板；煤层顶板；悬垂岩壁；岩檐；建筑物顶部的外部覆盖物
In use
The rain was so heavy that water leaked through the roof.
A worker is repairing the roof of our house.
They climbed onto the roof to enjoy the view.
the roof of the cave was very high
I could see the roof of the bear's mouth
Connections
Learner notes
Grammar Note
复数形式为 roofs（非 rooves）。
High-value vocabulary
该词属于 Oxford 核心词汇，值得优先掌握常见搭配和句型。
Usage priority
Collins 词频等级为 3，建议结合例句记忆，而不是只背中文释义。
Learn the forms together
页面下方列出了常见词形变化。学习时注意它们在句子中的语法位置。
Dictionary facts from DICTIONARY_API_DEV, ECDICT, WIKTIONARY.