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've got a point there.
你这话有道理。
Whose book is this?
这是谁的书？
The currents of air that the walls of the ship direct upwards, as well as in the line of its course, are enough to give the great bird with its immense wings sufficient sustenance and progress.
沿船体的上升的气流和沿航线向前的气流给这种巨翼大鸟以足够的浮力和推力。