1.
Circles, stars, hearts and squares.
圆形，星形，心形，和正方形。
2.
Resembling an ellipse in shape;elliptical.
椭圆形的形状类似椭圆的，椭圆的
3.
A rounded protuberance.
圆块，团圆形突出物
4.
something with a round shape like a flat circular plate.
象扁平的圆盘的圆形物。
5.
Line, circle, square and triangle
直线，圆形，正方形，三角形
6.
An egg-shaped or elliptical form or figure.
卵形，椭圆形卵形或椭圆形的形状或图形
7.
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
8.
"cylindric:Of, relating to, or having the shape of a cylinder, especially of a circular cylinder."
"圆柱形的,圆筒状的:圆筒状的,与圆柱形有关的,或具有圆柱体形状的,特别是圆形的柱体."
9.
Of, relating to, or having the shape of a cylinder, especially of a circular cylinder.
圆柱形的，圆筒状的圆筒状的，与圆柱形有关的，或具有圆柱体形状的，特别是圆形的柱体
10.
Of, relating to, or having the shape of an ellipse.
椭圆的椭圆形的、与椭圆形有关的或具有椭圆形的
11.
A planar region bounded by a circle.
圆形区，圆形空间被圆所包围的一个平面区域
12.
alternate circularports and annular spaces
交替圆形和环形通道
13.
rectangular-circular waveguide transducer
矩形-圆形波导转换器
14.
a pattern of alternate circles and squares
圆形与方形相间的图案
15.
(in ancient Rome)round or oval arena for chariot racing and public games
（古罗马）（圆形或椭圆形的）竞技场.
16.
A round or oval dormer window.
一圆形或椭圆形的装饰窗
17.
an oval or round dormer window.
一种椭圆形或是圆形的凸肚窗。
18.
A naturally rounded paving stone.
圆石块自然形成的圆形铺路石头