名词
中文翻译：锁磁铁
同义词：
['magnet', 'magnetic', 'magnetism']
例句：
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1.This lock magnet is very strong and secure.
这个锁磁铁非常坚固且安全。
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2. The magnet attracts iron filings to it.
磁铁吸引铁屑。
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3.Magnets are used in many applications, such as in the manufacturing of watches and jewelry.
磁铁在许多应用中都有使用，比如制造手表和珠宝。