开普勒第一定律，也称椭圆定律，指出每一个行星沿椭圆轨道围绕太阳。

The first law, sometimes called the law of orbits, states that planets orbit the sun elliptically.

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开普勒第一定律，也称椭圆定律，指出每一个行星沿椭圆轨道围绕太阳。

The first law, sometimes called the law of orbits, states that planets orbit the sun elliptically.

youdao