raw material
noun [ C or U ] uk/ˌrɔː məˈtɪə.ri.əl/ us/ˌrɑː məˈtɪr.i.əl/
原材料
any material, such as oil, cotton, or sugar in its natural condition, before it has been processed for use
The cost of raw materials was going up. 原材料的成本在上升。