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Earth and Space Sciences · 术语表

什么是 Building stone?

Definition 5.10 Primary & Middle School Earth and Space Sciences · 第 5 章 — Stones, Pebbles and Sand

A building stone is a rock that is cut or shaped to build walls, roofs, steps, bridges or pavements.

A wall of granite blocks, built without mortar. Photograph: Tony Atkin, Geograph (CC BY-SA 2.0).
Roofs of thin, flat stone slabs in a mountain village of Switzerland. Photograph: Michael C. Rygel (CC BY-SA 3.0).
An old village built entirely with the stone of the hill nearby.
An old village built entirely with the stone of the hill nearby.
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