名词
中文翻译：日心周期
同义词：
['sidereal time', 'sidereal day例句：1. The sidereal periodis the time it takes for the Earthto orbit around the Sun.（日心周期是地球围绕太阳运行所需的时间。）']
例句：
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1. The sidereal periodis the time it takes for the Earthto orbit around the Sun.
日心周期是地球围绕太阳运行所需的时间。
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2. Duringthe sidereal period, the Earth's axis is tilted slightly away fromthe Sun.
在日心周期期间，地球的轴稍微偏离太阳。
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3. The sidereal period is essential for understanding the Earth's rotation and its relationship with theSun.
日心周期对于理解地球的旋转及其与太阳的关系至关重要。