magnetic drag

例句：

1. 1. The magnetized metal strips were attracted to the nearby objects.
   被磁化的金属条被附近的物体吸引。
2. 2.The scientist used a strong magnet to attract the iron filings.
   科学家使用一个强磁铁来吸引铁屑。
3. 3.The magnetic field of the Earth affects the movement of charged particles in space.
   地球的磁场影响太空中带电粒子的运动。