gritstone

The old mill was built with local gritstone, which has weathered beautifully.

这座老磨坊是用当地的粗砂岩建造的，风化后十分美观。

用法提示：gritstone作为名词，指建筑用的粗砂岩。

Gritstone is often used for sharpening tools because of its abrasive texture.

粗砂岩因其粗糙的质地常被用来磨砺工具。

用法提示：gritstone作为不可数名词，表示材料。

These gritstones from the quarry are perfect for paving the garden path.

这些采石场的粗砂岩非常适合铺花园小径。

用法提示：gritstones作为复数形式，指多块粗砂岩。