音标与读法

这里为大家介绍下circumference 是什么意思，希望能帮助到各位朋友。

音标：[ sə"kʌmfərəns ]名词复数:circumferences

中英文翻译

n.

四周，周围；圆周；圈线；周线。 ten miles in circumference周长十英里。

the size of something as given by the distance around it

同义词：perimeter,

the length of the closed curve of a circle

the boundary line encompassing an area or object; "he had walked the full circumference of his land"; "a danger to all races over the whole circumference of the globe"

同义词：circuit,

Circumference is the linear distance around the outside of a closed curve or circular object. The circumference of a circle is of special importance to geometric and trigonometric concepts.

例句与用法

1.The earth "s circumference is nearly 25,000 miles .

地球的圆周约为25000英里。

2.The diameter and the circumference of a circle correlate .

圆的直径与圆周互相关联。

3.The compressor-outlet pressure is nearly constant around the circumference .

压气机出口压力沿圆周方向接近于常数。

4.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。

5.In each case an integral number of wavelengths fit into the circumference of the loop .

在各种情形下，环的周长都等于波长的整数倍。

6.the circumference of the circle is 2πr and the time for one revolution is 2πr/v.

圆的周长是2r，转一圈的时间是2rv。

7.The best of the early measurements of the earth"s circumference was made by eratosthenes .

早期测量地球周长的最准确结果是由埃拉托斯特尼得出的。

8.Wheel circumference measurements are show in cms

车轮的周长以厘米为单位度量。

9.Large waist circumference means excess fat in body

大腰围显示身体储有过多脂肪

10.That point falls on the circumference of the circle

那一个点落在这圆的圆周线上。

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