时间: 2025-04-25 21:07:20
美: ['sɝkl]
英: ['sɜːk(ə)l]
n. 循环，周期；圆；圈子；圆形物
vi. 盘旋，旋转；环行
vt. 画圆圈；环绕…移动
最后更新时间:2025-04-25 21:07:20
词源分析：该单词源自拉丁语“circus”，意为“圆圈”，而进一步追溯则可追溯到希腊语“kirkos”，也有相同的意思。
历史背景：该词在英语中的首次使用可以追溯到14世纪，常用于描述几何形状及其相关概念。
课本：在**的英语教材中，小学阶段通常会出现“circle”这个词，重点在于基本几何知识。在牛津和美国的教材中，尤其在小学和初中阶段，通常会涉及到该词在数学和日常生活中的应用。
正式与非正式语境：
特殊场合：在法律上，circle可能用于描述特定的区域或界限，如“the circle of jurisdiction”（管辖范围）。在艺术中，可能会用于形容某种图案或构图，如“the circle of life”（生命的循环）。
The teacher drew a circle on the board.
老师在黑板上画了一个圆圈。
All points on the circumference of a circle are equidistant from the center.
圆周上的所有点到中心的距离是相等的。
Let's form a circle and share our thoughts.
我们来围成一个圈分享我们的想法。
The circle represents unity and completeness.
圆圈象征着团结和完整。
In geometry, a circle is defined by its radius.
在几何学中，圆圈由其半径来定义。
通过以上分析，可以更全面地理解和运用“circle”这个单词。
[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
例：The flag was red, with a large white circle in the centre.那面旗子是红色的，中间有一个白色的大圆圈。
[N-COUNT] A circle of something is a round, flat piece or area of it. 圆盘状物
例：Cut out 4 circles of pastry.切出4块圆形油酥面饼。
[N-COUNT] A circle of objects or people is a group of them arranged in the shape of a circle. 圈
例：...a circle of gigantic stones.…一圈巨石。
[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
例：He has a small circle of friends.他有一个小小的朋友圈子。
[V-T/V-I] If something circles an object or a place, or circles around it, it forms a circle around it. 环绕
例：This is the road that circles the city.这就是那条环城路。
[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
例：The plane circled, awaiting permission to land.飞机盘旋着，等待着陆指令。
例：There were two helicopters circling around.有两架直升飞机在周围盘旋。
[V-T] If you circle something on a piece of paper, you draw a circle around it. 把…圈出来
例：Circle the words on this list that you recognize.把这张表上你认识的字圈出来。