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1. Oxford Dictionary

   iron filings

   • plural
     small particles of iron produced by filing or a similar mechanical process

   • noun: iron filings

2. • 釋義

   plural

   plural

   • 1. small particles of iron produced by filing or a similar mechanical process school students use iron filings to show how conductive objects can align with a magnetic field fish were drawn to the light like iron filings to a magnet
3. • 更多解釋

   iron filings

   • plural
     small particles of iron produced by filing or a similar mechanical process: school students use iron filings to show how conductive objects can align with a magnetic field fish were drawn to the light like iron filings to a magnet

   Oxford American Dictionary