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打印
Magnet
磁鐵
Magnets are very interesting objects.
磁鐵是非常有趣的物體。
Each has a positive pole and a negative pole.
每個磁鐵都有正負極。
One for each end.
磁鐵兩端各為一極。
Similar poles push each other away.
磁鐵同極相斥，
Different poles pull each other closer.
異極相吸。
A compass is a kind of magnet and it is very useful.
指南針就是一種磁鐵，而且非常實用。
With a compass we can easily find where we are.
利用指南針，我們可以輕易地發現我們的位置。
