英语词汇“permanent magnet”是什么意思，“permanent magnet”的读音、用法及例句翻译-烛光网

词汇	permanent magnet
释义	permanent magnetn.（名词） A piece of magnetic material that retains its magnetism after it is removed from a magnetic field.永久磁铁：从磁场移开之后仍保持其磁性的一块磁性材料
随便看	special effect specialer specialest Special Forces special handling special interest specialisation specialise specialism specialisms specialist specialists specialities speciality specialization specializations specialize specialized specializes specializing special jury special-needs Special Olympics special pleading special relativity

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