But the general solutions call for a elliptical orbit.(但是，一般的解決方法，還是需要一個橢圓軌道。)

The Moon's elliptical orbit means its distance from the Earth is not constant.(月球橢圓型的軌道意味著它到地球的距離是變化著的。)

It is more of an oval, it is elliptical.(它更像是一個橢圓形的。)

And here you have an explanation of an elliptical motion which is amazingly simple.(關于橢圓型運動的解釋，是那么得簡單明了。)

To select the outer circle, create an elliptical selection around the circle.(要創建其外圓，要創建一個近似正圓的橢圓。)

It's always negative. Okay, later in the course we will cover elliptical orbits.(總是負的，好吧，以后的課，我們會講橢圓軌道。)

But elliptical galaxies seem to be simpler.(但橢圓星系似乎更簡單。)

Select the Elliptical Marquee Tool (m) and make a selection over the divider line.(選擇橢圓選框工具(M)然后在分割線上面畫出一個橢圓。)

Elliptical galaxies are shaped as their name suggests.(橢圓星系的形狀正如它們的名字所述。)

Newton also proved incidentally that a vortex could not generate elliptical motion.(牛頓也證明了漩渦能產生橢圓運動純屬偶然。)