Definition
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rock
A rock is a solid mineral material forming part of the surface of the earth and other similar planets, typically consisting of a mixture of minerals and other substances.
A rock is a solid mineral material that makes up the earth's surface and is composed of various minerals.
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The children skipped stones across the lake, enjoying the ripples they created.
Los niños hacían saltar piedras sobre el lago, disfrutando de las ondas que creaban.
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Mountains are made of large rocks that have been shaped over millions of years.
Las montañas están formadas por grandes rocas que han sido moldeadas durante millones de años.
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He picked up a rock from the ground to throw it into the river.
Recogió una roca del suelo para lanzarla al río.