The material is the main source of iron for the steel industry, and it’s cheaper and more common than the rare-earth metals typically used to make electric car motors.
Materials science studies what makes up our world -- the metals, semiconductors, plastics we use to make all our devices, products, and technologies.
材料科学的研究决定了我们的世界——金属，半导体，塑料都用在了我们的设备，产品和技术上。
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The material is the main source of iron for the steel industry, and it's cheaper and more common than the rare-earth metals typically used to make electric car motors.