N → a variant spelling of lodestone
But, when the temperature of magnetic iron and loadstone goes up, the member heat of their inner part exercises more and more and quickly.
但是，当磁铁和磁石的温度升高时，它们内部的分子热运动越来越快。
One of these was loadstone which is basically a chunk of naturally occurring iron which has somehow in the course of the earth’s long history obtained a magnetic orientation.
这些矿石中的一种负载石在漫长的地球演变过程中变成了具有磁场能力的块状的大型天然铁。
The first description of magnetism traces back to nearly 2,600 years ago to Thales of Miletus who witnessed iron attracted to a loadstone but attributed it to the metal having a soul.
最早关于磁的描述可以追溯到2600年前的古希腊米利都的泰勒斯，他发现铁能够被磁铁矿所吸附，但是他认为是铁拥有灵魂。
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