| 单词 | bar magnet |
| 释义 | bar magnet (once / 112565 pages) n WORD FAMILY bar magnet: bar magnets USAGE EXAMPLESA professor held the tongue plate of a chiton, a type of mollusk, and dragged it around with a bar magnet. Science Magazine(Jun 23, 2016) Instead it uses permanent room-temperature magnets, similar to the familiar bar magnet, only more powerful. The Verge(May 09, 2016) Iron filings showing the magnetic field of two bar magnets. Forbes(May 12, 2015) n a magnet in the form of a bar with magnetic poles at each end Hyper magnet (physics) a device that attracts iron and produces a magnetic field |
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