circumference

英 [səˈkʌmfərəns]

美 [sərˈkʌmfərəns]

n. 圆周; 圆周长

BNC.15114 / COCA.15774

牛津词典

noun

N-UNCOUNT (圆、地方、圆状物的)周长
Thecircumferenceof a circle, place, or round object is the distance around its edge.
1. ...a scientist calculating the earth's circumference...
  计算地球周长的科学家
2. The island is 3.5 km in circumference.
  这个岛周长3.5千米。
N-UNCOUNT (圆、地方、圆状物的)边缘，周缘
Thecircumferenceof a circle, place, or round object is its edge.
1. Cut the salmon into long strips and wrap it round the circumference of the bread.
  把鲑鱼切成长条，缠裹在面包上。

noun

the size of something as given by the distance around it
Synonym:perimeter
the length of the closed curve of a circle
the boundary line encompassing an area or object
1. he had walked the full circumference of his land
2. a danger to all races over the whole circumference of the globe
Synonym:circuit

Do not confuse ever the tangential acceleration, which is along the circumference, with a centripetal acceleration.
但是别把这个切向加速度，它是沿着圆周的，和向心加速度混淆。
Why not simply specify starting and ending points on the circumference of the ellipse?
为什么不简单地指定椭圆的圆周上的开始和结束的点呢？
Cut the salmon into long strips and wrap it round the circumference of the bread.
把鲑鱼切成长条，缠裹在面包上。
How to calculate the circumference of the three-dimensional graphics ( what function)? Required to achieve runtime polymorphism.
对立体图形周长怎么计算（用什么函数）？要求实现运行时的多态性。
Studies comparing changes in waist circumference among different groups have yielded similar results.
两项研究都对不同组别腰围的变化进行了比较，并得出了相似的结论。
The diameter and the circumference of a circle correlate.
圆的直径与圆周互相关联。
The lake has a circumference of 800 li.
那个湖方圆800里。
A circle has diameter, radius and circumference.
圆有直径，半径和圆周。
Both waist circumference and waist-to-hip ratio proide a measure of central obesity.
腰围值和腰臀比值是测量中心型肥胖的方法。
The diameter and the circumference of a circle.
圆的直径和圆周相关联。