名词
中文翻译：极点
同义词：
['polar star', 'North Star例句：1. The polar figure is the point where two lines intersect.（极点是两条线相交的点。）']
例句：
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1. The polar figure is the point where two lines intersect.
极点是两条线相交的点。
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2.The North Star is used to navigate ships in the northern hemisphere.
北极星用于导航北半球的船只。
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3. The polar figure is a crucial part of our understanding of the universe.
极点是我们理解宇宙的关键部分。