Warning: file_put_contents(/www/wwwroot/ppbbbu/202081.com/cache/dc2c086c33c2bee7f073842234e20e89.txt): failed to open stream: No space left on device in /www/wwwroot/ppbbbu/202081.com/index.php on line 55 magnetic field英英字典_magnetic field剑桥英语解释_magnetic field柯林斯英文解释_2020年的事情英文词典
1. N-COUNT A magnetic field is an area around a magnet, or something functioning as a magnet, in which the magnet's power to attract things is felt. 磁场