sandstone

The ancient temples in Petra were carved directly into the red sandstone cliffs thousands of years ago.

(Chinese) 佩特拉古城的古老神庙是在几千年前直接从红砂岩悬崖上凿出来的。

Geologists identified the rock as sandstone due to its gritty texture and visible layers of sediment.

(Chinese) 地质学家根据其砂质纹理和可见的沉积层将其鉴定为砂岩。