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Axis | Define Axis at Dictionary.com
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日期:2025-05-06
(āk'sĭs) Plural axes (āk'sēz') An imaginary line around which an object rotates. In a rotating sphere, such as the Earth and other planets, the two ends of the axis are called poles. The 23.45 tilt of the Earth's axis with respect to the plane of its orbi...看更多