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单词 electromagnet
释义
electromagnet
(ɪlektroʊmægnɪt )
Word forms: electromagnets
countable noun
An electromagnet is a magnet that consists of a piece of iron or steel surrounded by a coil. The metal becomes magnetic when an electric current is passed through the coil.
Within this is an array of cells consisting of a magnet and an electromagnet.
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更新时间:2024/11/15 9:21:06