Circle，英语单词，主要用作名词和动词，主要意思为“圆，圆形物；圈子，阶层；盘旋，环行”等。

英 [ˈsɜːk(ə)l] 美 [ˈsɜːrk(ə)l]

n. 圆，圆形物；圈子，阶层；弧形楼座；黑眼圈；循环，周期

v. 盘旋，环行；围绕，圈起

[ 复数 circles 第三人称单数 circles 现在分词 circling 过去式 circled 过去分词 circled ]

柯林斯英汉双解大词典

circle /ˈsɜːkəl/ CET4 TEM4 ( circling, circled, circles )

1.N-COUNT A circle is a shape consisting of a curved line completely surrounding an area. Every part of the line is the same distance from the centre of the area. 圆圈

2.N-COUNT A circle of something is a round, flat piece or area of it. 圆盘状物

3.N-COUNT A circle of objects or people is a group of them arranged in the shape of a circle. 圈

4.N-COUNT You can refer to a group of people as a circle when they meet each other regularly because they are friends or because they belong to the same profession or share the same interests. (相同兴趣、职业等的人形成的) 圈子

5.V-T/V-I If something circles an object or a place, or circles around it, it forms a circle around it. 环绕

6.V-T/V-I If an aircraft or a bird circles or circles something, it moves around in a circle in the air. 围着…转圈; 盘旋

7.V-T If you circle something on a piece of paper, you draw a circle around it. 把…圈出来

8.→ see also inner circle, vicious circle

in circles 毫无进展，兜圈子

vicious circle 恶性循环；循环论证法

economic circle 经济圈；经济周期

business circle 商界，企业界

virtuous circle 良性循环

circle around 环绕四周

circle of friends 朋友圈；友谊圈的建立

life circle 生活圈；循环生活；生活周期

arctic circle 北极圈

inner circle 核心集团

small circle 小圆；小回环

full circle 绕圈子地；整圆

perfect circle 完整的圆圈；正圆

great circle 大圆；大圆弧

circle round 环绕；盘旋

unit circle 单位圆