It was a plain, grey stone house.

这是一座简朴的灰色石头房子。

《柯林斯英汉双解大词典》

A broken small old grey stone bridge came into sight.

一座破旧不堪的、古老的灰色小石桥映入眼帘。

youdao

Panels of dark grey stone cover both the inside and outside of the structure, and are intended to resemble to colours of the surrounding mountains.

深灰色石板覆盖结构的内外部，旨在与周围山脉的颜色相融合。

youdao

The lines of grey stone, the birdsong, the stillness, the lengthening shadows were still a refuge.

BBC: Following the Silk Road to the end of China

We soon passed a damaged, burned-out, grey stone shrine, the cause of much tension even today.

BBC: Part II: The road to Bethlehem

Down the old, cold grey stone steps to the antiquated bookshop that lends the establishment its name, I found clues to the area's most charismatic corners.

BBC: A tale of two Berlins