Columbus argued that the world was round.
哥伦布认为地球是圆形的。
The earth should be elliptical.
地球应当是椭圆形的。
Planet Earth is an oblate solid.
地球是扁圆形的固体
Deviation from perfect circular or spherical form toward elliptic or ellipsoidal form.
椭圆形，椭圆球从正圆或球形向椭圆或椭圆球的偏离
The Earth's path round the sun is elliptical.
地球绕太阳的轨道是椭圆形的。
The path of the earth around the sun is oval.
地球围绕太阳公转的轨道是椭圆形的。
A straight line segment passing through the center of a figure, especially of a circle or sphere, and terminating at the periphery.
直径穿过一图形，特别是圆形或球形的中心到圆周结束的直线段
Later on people have known gradually that the shape of the earth is a sphere.
后来人们逐步地了解到地球的形状是一个圆球。
Now it is well known that the Earth's path round the sun is elliptical.
现在大家都知道地球绕太阳的轨道是椭圆形的。
(British) a form of football played with an oval ball.
（英国）用椭圆形球的一种橄榄球形式。
That the earth is round is certain.
地球是圆的是确实的
These halos, unlike those found above the heads of saints, have a spherical or ellipsoidal shape.
这些晕体和出现在圣人头上的光环不一样，形状像是圆球或是椭圆球。
You may form the loaves into boule, or any other style that pleases you.
你也可将面团整形成圆球状或是自己喜欢的形状。
an oval or round dormer window.
一种椭圆形或是圆形的凸肚窗。
any of various games played with a ball (round or oval) in which two teams try to kick or carry or propel the ball into each other's goal.
任何一种用球的运动（圆形或椭圆形）两队尽力去踢球或抢球。
the great circle on the celestial sphere midway between the celestial poles.
环绕球形天体与地球类似的大圆。
"Properly speaking, the earth is not round."
"正确地说,地球不是圆的。 "
Columbus argues that the world is round.
哥伦布提出地球是圆的。