英语语法分析

Sometimes it is a little more circular, sometimes it is more elliptical.

有时它更圆一点，有时它更像椭圆。

When Earth's orbit is more elliptical, Earth is actually closer to the sun during part of the year.

当地球的轨道更接近椭圆时，地球实际上在一年的一部分时间里更接近太阳。

Astronomers suspect that pairs of planets also engage in this slingshot activity, leaving them in disturbed, elliptical orbits.

天文学家怀疑成对的行星也参与了这种弹弓活动，使它们处于不规则的椭圆轨道上。