bar magnet

例句 (10)

• The teacher showed us how a bar magnet attracts iron filings.老师向我们展示了条形磁铁是如何吸引铁屑的。
• Each bar magnet has a north pole and a south pole marked on it.每个条形磁铁上都标有北极和南极。
• If you break a bar magnet in half, you will get two smaller magnets.如果你把一个条形磁铁折成两半，你会得到两个较小的磁铁。
• He placed a bar magnet under the paper to visualize the magnetic field lines.他把一个条形磁铁放在纸下面，以观察磁场线。
• A standard bar magnet is usually made of a mixture of aluminum, nickel, and cobalt.标准的条形磁铁通常由铝、镍和钴的混合物制成。
• The students were experimenting with the magnetic strength of a large bar magnet.学生们正在实验一个大型条形磁铁的磁力强度。
• You can suspend the bar magnet by a string to let it act like a simple compass.你可以用绳子悬挂条形磁铁，让它充当简易指南针。
• Opposite poles of two bar magnets will pull towards each other automatically.两个条形磁铁的异名极会自动相互吸引。
• The physics laboratory equipment included several types of bar magnets.物理实验室的设备包括几种类型的条形磁铁。
• Be careful not to store a powerful bar magnet near your electronic devices.注意不要在电子设备附近存放强力条形磁铁。