magnet/ˈmæɡ.nət/名词有吸引力的人(或地方、物)The United States has always acted as a magnet for people seeking fame and fortune.美国一直像磁石般吸引着追名逐利的人。磁体;磁铁,磁石The magnet on the fridge holds up my favorite photos.冰箱上的磁铁把我最喜欢的照片贴住了。想跟读,去练习