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

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 ratio of the circumference to the diameter of a circle.
圆周长度与圆的直径长度的比。
The diameter and the circumference of a circle.
圆的直径和圆周相关联。
I have to have a whole number of wavelengths to get around the circumference.
我必须要有个关于波长的总体数字，测量周长。
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。
In addition, the ratio between waist circumference and hip circumference is also an important indicator to measure health.
另外，腰围和臀围之比也是一个衡量健康的重要指标。
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。
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。
The lake is12 kilometres in circumference.
湖的周长（为）十二公里。
When would I ever need to compute the circumference of a circle?
我几时曾需要计算圆周长了？