poles
A pole is a long thin piece of wood or metal, used especially for supporting things.
The truck crashed into a telegraph pole.
卡车撞上了电线杆。
The Earth's poles are the two opposite ends of its axis, its most northern and southern points.
For six months of the year, there is hardly any light at the poles.
一年中有6个月地球的两极几乎没有任何光线。
The two poles of a magnet are the two ends of the magnet where the magnetic force is strongest.
The important fact is that the two poles of the magnet work in opposite ways.
重要的事实是,磁体两极的运行方式完全相反。
The two poles of a range of qualities, opinions, or beliefs are the completely opposite qualities, opinions, or beliefs at either end of the range.
The two politicians represent opposite poles of the political spectrum.
这两位政治家代表了各种政治倾向中的两个极端。
poles apart
If you say that two people or things are poles apart, you mean that they have completely different beliefs, opinions, or qualities.