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单词 iron filings
释义

iron filings

plural noun
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...
  • Already in the 18th century chemists were splitting water by passing steam through red-hot tubes of iron filings.
  • Dropping iron filings into the ocean can generate blooms of carbon-absorbing plankton.
  • He also tinkered with the classic experiment of sprinkling iron filings on a sheet of paper near a magnet, giving rise to pretty patterns.
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更新时间:2026/6/4 3:50:12