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1·The earth is almost 25 000 miles in circumference.

地球的周长大约为25 000英里。《牛津词典》

2·The earth's circumference is about 25,000 miles.

地球的圆周约为25,000英里。《新英汉大辞典》

3·I have to have a whole number of wavelengths to get around the circumference.

我必须有很多波长才能绕这个圆周。

4·CARDIA study scientists weighed and measured the waist circumference and BMI of study participants.

从事 CARDIA 研究的科学家们，对研究参与者进行称重和腰围与身体质量指数（BMI）的测量。

5·CARDIA study scientists weighed and measured the waist circumference and BMI of study participants.

从事 CARDIA 研究的科学家们，对研究参与者进行称重和腰围与身体质量指数（BMI）的测量。

6·To translate this formula into an expression, you would use variables to record the radius and circumference.

要将这个公式转换为一个表达式，你需要使用变量来记录半径及周长。

7·Do not confuse ever the tangential acceleration, which is along the circumference, with centripetal acceleration.

不要把沿圆周的切向加速度与向心加速度混淆。

8·They find themselves surrounded, and Paris is one-third the size of London at this same time, or at any other time, but it has a huge circumference.

他们发现自己被包围了，而巴黎的面积相当于当时或其他任何时候伦敦的三分之一，但它的周长很大。

9·Head circumference is an indicator of brain volume, so a greater increase in head circumference in a newly-born baby suggests more rapid brain growth.

头围是大脑体积的一个衡量指标，所以新生儿头围越大，表明他们的大脑发育越快。

10·He said that a surprising finding in the research is that the risk associated with thigh circumference and heart disease is almost the same for men and women.

他表示在研究中一项令人惊奇的发现是，无论对于男性还是女性，大腿围的多少与患心脏病的风险都是密切相关的。

(1)waist circumference腰围

(1)chest circumference胸围

(1)head circumference头围

(1)hip circumference臀围