这些装饰砖的表面经过特殊处理，看起来有一种石头般的质感。

The surface of these decorative tiles is specially treated to give them a ___stone-like appearance.

尽管我试图安慰她，她仍然保持着石头般冷漠的态度。

Despite my attempts to comfort her, she maintained her ___stone-like composure.