loadstone

However , since was easy for natural loadstone ( magnetic iron oxide ) tolose its magnetism , Si Nan could not be widely used .

由于天然磁石因打击受热容易失磁，磁性较弱，因而司南不能广泛流传。

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。

Gold was the loadstone that drew men to Alaska .

金子是具有吸引力的东西，它引诱人前往阿拉斯加州。

Yes . The Loadstone Rock was drawing him , and he must sail on , until he struck .

是的，磁力礁吸引着他，他必须扬帆前进，直至触礁为止。

The metals learns a house to make the magnetic iron and the loadstone disappearing the magnetic temperature to be called " reside an inside temperature " completely .

金属学家把磁铁和磁石完全消失磁性的温度称为“居里温度”。

The spoon was cut from an intact piece of natural loadstone , with its handle as the South Pole and s round , smooth bottom as the center ofgravity .

司南勺由整块磁石制成。它的磁南极那一头琢成长柄，圆圆的底部是它的重心，琢得非常光滑。

Was the poor prisoner 's cry with which he strengthened his sinking heart , as he left all that was dear on earth behind him , and floated away for the loadstone rock .

这是那可怜的囚徒的呼唤。他就是用这呼唤鼓起勇气，抛开了他在这世上所爱的一切，向那磁礁漂流而去的。