名词
中文翻译：Unknown
同义词：
['magnet', 'magnetic material', 'magnetism']
例句：
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1.The magnet attracts iron filings to it.
这个磁铁吸引铁屑。
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2.Magnetic materials have applications in many fields.
磁性材料在许多领域都有应用。
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3.The magnetism of the Earth's core is responsible for its magnetic field.
地球核心的磁性是其磁场的原因。