Englishfor English speakers
roof
Noun
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A roof is the top part of a building.
My five brothers, two sisters and seven cousins all live together under one roof.
roof
Verb
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If you roof something, then you are putting a roof onto a building.
My father had to roof our house because it needed a roof.
area
Noun
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An area is a piece of land or space.
This is the business area of town.
We have chosen a large forest area for the new park.
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An area of study is a special subject, such as mathematics, grammar, music, or biology.
Economics is quite interesting, but my area is more related to politics.
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The area of a surface, is the size of the surface.
The length is 10 cm and the width is 5 cm, so the area is 50 mathcm^2/math.