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raw materials; ingredient
この製品の主な原料は天然素材です。
The main raw materials of this product are natural materials.
原料の価格が上がると製品も高くなる。
When raw material prices rise, products also become expensive.
ビールの原料は麦芽とホップと水だ。
The raw materials of beer are malt, hops, and water.