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（尤用于支撑的）杆
A pole is a long thin piece of wood or metal, used especially for supporting things.
例句
The truck crashed into a telegraph pole...
卡车撞到了电线杆上。
He reached up with a hooked pole to roll down the metal shutter.
他用带钩的杆子把金属护窗拉了下来。
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（地）极
The earth's poles are the two opposite ends of its axis, its most northern and southern points.
例句
For six months of the year, there is hardly any light at the poles.
在南北极，每年有6个月时间几乎没有光照。
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（特质、意见或信仰）截然相反的两极之一；极端
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.
例句
The two politicians represent opposite poles of the political spectrum.
这两位从政者代表了政界的两个极端。
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PHRASE
（信仰、意见或性质）截然相反，南辕北辙
If you say that two people or things are poles apart, you mean that they have completely different beliefs, opinions, or qualities.