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1. The pottery artist uses clay as the material for making pots.
陶艺家使用粘土作为制作陶器的材料。
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2. The scientist used different types of metals to create a new type of container.
科学家使用不同类型的金属来创造一种新型容器。
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3. The engineer designed a machine that could use recycled materials to make new products.
工程师设计了一台机器,可以使用回收材料来制造新产品。