bar magnet 释义 长条磁铁:一种形状为长条状,两端有极点的磁铁。 例句 1·Explore the interactions between a compass and bar magnet . 探究指南针和磁棒之间的相互作用。 2·Move a bar magnet near one or two coils to make a light bulb glow. 在一两枚硬币附近移动磁棒来让灯泡发光。 3·Magnetism of the bar magnet is produced by the surface molecule electric current. 磁块的磁性,是由磁块的表面分子电流产生的。
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