Englishfor English speakers
pyramid
Noun
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A pyramid is an ancient kind of religious monument shaped with four triangles meeting at the top and being supported by a square or rectangle as its floor.
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A pyramid is a 3D shape with a polygon base connected to a point.
lake
Noun
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A lake is a place with a lot of deep water. A lake does not usually have salt in it.
We went swimming in the lake.