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

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。
Lower leg length-girth index had significant correlation with height, weight, and hip circumference.
小腿长全腿长指数与身高、体质量和臀围均无关；
That point falls on the circumference of the circle.
那一个点落在这圆的圆周线上。
The PI method returns the ratio of a circles circumference to its diameter.
PI方法返回圆周与直径的比率。
More recently, lower thresholds for waist circumference have been recommended for Asian populations.
最近，对亚洲人群推荐了一个更低的腰围阈值。
The lake is12 kilometres in circumference.
湖的周长（为）十二公里。
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。
The lake has a circumference of 800 li.
那个湖方圆800里。
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？
A circle has diameter, radius and circumference.
圆有直径，半径和圆周。