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1·After people have learned that magnets attract things, centuries passed after they took note of the fact that magnets sometimes also repel things.

在人们了解到磁铁能吸引事物之后，几个世纪过去了，他们才注意到磁铁有时也会排斥事物。

2·Change the filters on your air-conditioning vents. These filters are dust and pollen magnets.

更换空调通风口的过滤器。这些过滤器是灰尘和花粉的“吸铁石”。

3·Some magnets may have a mark to identify which surface is the northpole.

有些磁铁可能有标志以确定哪些表面是北极。

4·One-half of each solenoid loop was replaced with an aluminum card into which tiny vicalloy bar magnets were embedded.

每个螺线管回路的一半都换成了铝卡，其中嵌入了细小的维卡合金棒形磁铁。

5·NEWS: Magnets Can Manipulate morality.

新闻：磁铁可以操控精神。

6·Need at least 300 tiny multi-colored magnets.

至少需要300个不同颜色的小型磁铁。

7·Magnets Throw Off a Croc's Sense of Direction

利用磁铁干扰鳄鱼的方向感

8·Small magnets represent different assignments.

这些小磁铁代表了不同的作业。

9·No steel rods, no magnets, no computer trickery.

那里没有钢条、没有磁铁也没有电脑欺骗。

10·Glue these to magnets and put them on the fridge.

把这些东西粘在磁铁上面，并放到冰箱上面。

(1)permanent magnet永久磁铁

(1)superconducting magnet超导磁体；超导磁铁

(1)bar magnet棒磁铁；条形磁铁

(1)magnet wire磁铁线；线圈线

(1)permanent magnet generator永磁发电机

(1)magnet steel[电]磁钢；磁性钢