(It takes about 365 days for the earth to make a complete revolution around the sun.) In contrast, the moon takes 29 days or so to make a complete cycle around the earth.
(地球绕太阳公转一周约365天)，对比起来，月球约用29天左右绕地球一周。
The earth makes a yearly revolution around the sun.
地球每年绕太阳一周。
This is the annual revolution of the earth around the sun and the time periods are the same as the outer circle.
外圈的圆就和地球围绕太阳年复一年的旋转周期一致。
A revolution is the journey of the earth around the sun.
公转是地球围绕着太阳转的旅程。
A revolution is the journey of the earth around the sun.
公转是地球围绕着太阳转的旅程。
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