Englishfor English speakers
visible
Adjective
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If something is visible, it can be seen.
The car had no visible signs of damage.
Many stars that are not visible in the city are still visible from the countryside.
is clearly visible from Tokyo after a rain storm.
Italy has an active and highly visible environmental movement.
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.