magnet
/ˈmægnɪt/noun
1- a piece of iron (or an ore, alloy, or other material) which has its component atoms so ordered that the material exhibits properties of magnetism, such as attracting other iron-containing objects or aligning itself in an external magnetic field磁铁; 磁体。
1.2
- figurative a person or thing that has a powerful attraction〈喻〉有吸引力的人（或物）：
the beautiful stretch of white sand is a magnet for sun worshippers.
美丽的白色沙滩对阳光崇拜者来说极具吸引力。
词源
late Middle English (denoting lodestone)： from Latin magnes, magnet-, from Greek magnēs lithos 'lodestone', probably influenced by Anglo-Norman French magnete （from Latin magnes, magnet-）.