n.圆圈；圈子；包厢

v.划圈；包围；盘旋；环绕

The dancers were standing in a circle around the fire. 舞者们围着篝火站成一圈。

A square has four sides but a circle has no sides. 正方形有四条边，而圆形没有边。

He has a large circle of friends. 他有一大群朋友。

He is part of an exclusive social circle and belongs to an exclusive club. 他所处的社交圈子很排外，而且参加的又是个很排外的社团。

We've booked seats in the circle. 我们预订了楼厅包厢的座位。

Someone had circled the next paragraph in red. 有人将下一段划了一个红圈。

Our army circled the desperate enemy and wiped them out in a second. 我们的军队包围了垂死挣扎的敌人,并很快地将其一举歼灭。

The moon circles the earth every 28 days. 月亮每28天绕地球旋转一周。

circle的基本意思是“圆,圆周; 圈; 环状物”,是可数名词。

circle还用于指“…界”(多用复数),也可指具有共同利益或兴趣的人形成的“圈子”(多用单数)。作此解时，circle前一般不用冠词。

circle也可指剧院、电影院、音乐厅等之内的半圆形“楼座”。

circle还可指“周期,循环”。

circle用作及物动词的意思是“绕,绕过,围”。

circle用作不及物动词时表示“盘旋,环行”,引申可作“流传”解。