Circumference
[ sɚ'kʌmfərəns ]
第4级
其它 Other
n. 周围，圆周;胸围;
💡 词根助记
circum环绕，周围+fer带来+ence名词后缀→带来一圈→周长
📝 例句
This tree has a circumference of 6 feet.
这棵树周长六英尺。
That point falls on the circumference of the circle.
那一个点落在这圆的圆周线上。
The given radius being 4 ft., find the circumference.
已知半径为四英尺,求周长。
The diameter and the circumference of a circle correlate.
圆的直径与圆周互相关联。
Head and chest circumference are checked on all children under two years of age.
两岁以下的婴儿都应测量头围和胸围。
🌱 联想助记
【记】circum-前缀“环绕、四周、周围”,fer-词根“带来”,ence-名缀:围绕走一圈的东西→圆周
✅ 同义词
🔤 词根
-gest-表示“携带”
常见变体有-ger-
📖 牛津释义
circumference
n
(a) line that marks out a circle or other curved figure1(2b) 周线; 周缘; 圆周. =>App 5 见附录5.
(b) distance round this 周长
The circumference of the earth is almost 25000 miles/The earth is almost 25000 miles in circumference. 地球的圆周长约为25000. =>illus at circle 见circle之插图. Cf 参看 perimeter.
🔁 扩展释义
*[sә'kʌmfәrәns]n. 圆周, 周缘, 胸围【医】 周缘, 环状面
🌿 同词根单词
📖 同为「CET-4」词汇
查看全部CET-4词汇 ›🗣️ 情景例句
You have lots of time to decide.
你有很多时间做决定。
To operate a steam locomotive
驾驶蒸汽机车
No!We're alone here. We're all by ourselves, said Jim. Isn't that great?
“没有！就我们在这儿。就我们这伙人，”吉姆说，“这不是很好吗？”