raw material
原材料, 素材
例句与用法：
The problem is how we are to get the raw material.
问题是我们怎样得到原材料。
The steel works has been supplying us with raw material in large quantities.
在过去的两年中，那家钢铁厂一直提供给我们原材料。
She makes use of people she meets as raw material for her fiction.
她把她所遇见的人们作为她创作小说的素材。
ph.
原料