[, ]a natural or basic substance that is used to make sth in an industrial process原材料；原料◆We have had problems with the supply of raw materials to the factory.我们在工厂的原材料供应方面存在问题。◆The rise in oil prices has pushed up the cost of raw materials.油价上涨提高了原材料的成本。◆The plant produces the raw material for making polyester fibre.这家工厂生产用于制造聚酯纤维的原料。