椭圆的 省略的英释
Kepler published his discovery of the elliptical orbits of planets in 1609. 1609.年开普勒公布他的发现，认为行星轨道为椭圆形。
The language is often elliptical and ambiguous..语言经常是隐晦和模棱两可的。
elliptical orbit,卫星椭圆轨道；椭圆轨迹
elliptical hole,椭圆孔
