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

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？
Clothing size of the factory for our specific waist circumference, brassieres and height to determine.
衣服尺寸是由工厂根据我们提供的具体腰围、围和身高来确定的。
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 tree has a circumference of 6 feet.
这棵树周长6英尺。
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。
The teacher pointed to the circle on the blackboard and explained the terms "circumference" and "diameter".
老师指着黑板上的圆，解释了“圆周”和“直径”这两个术语。
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。
When would I ever need to compute the circumference of a circle?
我几时曾需要计算圆周长了？
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。
That point falls on the circumference of the circle.
那一个点落在这圆的圆周线上。