adj. elliptical
当行星绕太阳运行时,其轨道椭圆的主轴每次都会改变。
The main axis of the planet's orbital ellipse shifts each time when it goes around the sun.
所以,轨道总体上说是椭圆的。
椭圆的另一个名字叫“卵形的”。
By putting the two together, out comes the elliptical motion of the planets.
将这两个式子联立,就得到了行星作椭圆运动的方程
Well, it was not very hard for me to draw this red blood cell here, it's just an oval, and one reason I draw it like an oval, is that that's basically what it looks like if you look at it.
我可以很容易的画出,一个血红细胞,就画个椭圆足矣,因为它看上去就是这个样子的
s plus 1s gives you this oval ellipsoid which is the bonding, and here are the antibonding, and then these are the energy levels that I have been drawing for you.
s和1s上两个电子组成的键合电子成椭圆形,这是成键,这是反键电子,这些是刚刚已经画过的能级,我也给你们画了。
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