You've just made two smaller magnets each with their own North and South poles.
你仅仅是得到了两个拥有各自的两极的更小的磁体罢了。
If you cannot have one without the other, it is like the north and south poles of a magnet.
这种统一是指你不能拥有一个而不拥有另一个,它就像一块磁铁的南北两极。你不能拥有一个单极磁铁。
Astronomers saw that the planet was red with white areas at its north and south poles.
天文学家们看到,这颗红色星球的南北两端有白色的区域。
But in measuring distance, one degree shrinks from about one hundred nine kilometers at the equator to nothing at the north and south poles.
VOA: special.2010.07.14
By 1989,at age 33, he'd achieved that goal, becoming the first person to walk to both the North and South Poles.
VOA: standard.2009.12.10
Robert Swan says he is bringing to Copenhagen that same spirit that led him to the North and South Poles twenty years ago.
VOA: standard.2009.12.10
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