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

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？
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。
The lake has a circumference of 800 li.
那个湖方圆800里。
The diameter and the circumference of a circle.
圆的直径和圆周相关联。
The ratio of the circumference to the diameter of a circle.
圆周长度与圆的直径长度的比。
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 lake is12 kilometres in circumference.
湖的周长（为）十二公里。
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。
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。