名词
中文翻译：极点轴
同义词：
['polar axis', "axis of the poles例句：1. The Earth's axis is tilted at an angle of about 23.5 degrees relative to the sun.（地球的轴相对于太阳倾斜约23.5度。）"]
例句：
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1. The Earth's axis is tilted at an angle of about 23.5 degrees relative to the sun.
地球的轴相对于太阳倾斜约23.5度。
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2. This axis is responsible for the rotation of the earth's surface.
这个轴负责地球表面旋转。
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3. The axis of the planet revolves around its own center.
行星的轴围绕其自身中心旋转。