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circumference - 英文单词学习

circumference

sә'kʌmfәrәns
四级六级考研托福雅思GRE

英文释义

n. the size of something as given by the distance around it
n. the boundary line encompassing an area or object
n. the length of the closed curve of a circle

中文翻译

n. 圆周, 周缘, 胸围
[医] 周缘, 环状面

15,114
BNC 频率
15,774
使用频率

记忆技巧

circumference 由两个部分组成：“circum-”表示“周围”，源于拉丁语“circus”（圆圈）；“ference”来自“ferre”，意为“携带、带来”。整体意思是“围绕的边界”，即圆的周长。

例句

1. The circumference of a circle can be calculated using the formula C = 2πr.
圆的周长可以通过公式 C = 2πr 计算。
2. To find the circumference of the pool, we need to measure its diameter first.
要找到游泳池的周长，我们需要先测量它的直径。
3. The teacher explained how the circumference relates to the radius in geometry class.
老师在几何课上解释了周长与半径之间的关系。

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