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单词 bar magnet
释义

bar magnet in American English

noun
a bar-shaped, usually permanent, magnet
Word origin
[1820–30]

Examples of 'bar magnet' in a sentence
bar magnet

In a normal bar magnet there are two poles, north and south.Electric dipoles behave like bar magnets and attract each other.
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更新时间:2024/12/22 16:38:41