material

石头是一种常见的建筑材料。

Stone is a common building ___material.

废弃物料通常在焚化炉中焚烧。

Waste ___material is often burned in incinerators.

她的裙子是用一种柔软、丝滑的布料制成的。

Her dress was made of a soft, silky ___material.