earth's axis [地质] 地轴 ; 非自动铰链
inclination of the earth's axis 地轴倾斜度
earth's axis reference system 地轴参考系
the earth's axis of rotation 地球的旋转轴
earth's s axis 地轴 ; 托福
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The northern end of the earth's axis points towards the sun in summer.
在夏季，地轴的北端指向太阳。
When your town has winter, the earth's axis is pointing away from the sun.
当你所在的城镇进入冬季时，地轴指向远离太阳的方向。
Precession, basically is the change in the direction of earth's axis of rotation.
岁差，基本上是地球自转轴方向的改变。
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