n.[C]

1. 圆；圆圈
   The students sit in a circle on the floor.

   学生们在地板上坐成一圈。

2. 圆形的东西，环状物
   There is a circle of flowers around the statue.

   塑像周围鲜花环绕。

3. （具有共同兴趣、利益的人们所形成的）圈子；（活动等的）范围；……界[G]
   I have a circle of friends here.

   在这里我有一群朋友。

4. （剧场中）成弧形的梯级座位；包厢
5. 循环，周期
6. （天体运行的）轨道

vt.

1. 画圆圈；圈出；围着
   Circle the correct answers.

   圈出正确的答案。

2. 环绕……移动（或运转）

vi.

1. 盘旋，旋转；环行
   Birds were circling overhead.

   鸟儿在头顶上盘旋。

2. 流传

n.

1. a round plane figure whose boundary consists of points equidistant from the centre.
   ▸a group of people or things forming a circle.
2. a curved upper tier of seats in a theatre.
3. a group of people with a shared profession, interests, or acquaintances.

v.