circumference是什么意思 circumference的用法 circumference怎么读

circumference

英 [sə'kʌmf(ə)r(ə)ns]美 [sɚ'kʌmfərəns]

n. 圆周；周长；胸围

星级词汇:★

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中文词源

circumference 周长

circum-,圈，周围，-fer,带，携，词源同bring,conference.

英语词源

circumference (n.)

late 14c., from Latin circumferentia

, neuter plural of circumferens, present participle of circumferre "to lead around, take around, carry around," from circum "around" (see circum-) + ferre "to carry" (see infer). A loan-translation of Greek periphereia "periphery, the line round a circular body," literally "a carrying round" (see periphery). Related: Circumferential.

权威例句

1. the circumference of the earth

地球的周长

2. It's a mile round the circumference of the field.

运动场周长一英里.

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

圆的直径与圆周有相互关系.

4. The lake is thirty li in circumference.

这湖周围长30里.

5. The lake has a circumference of 800 li.

那个湖方圆800里.

[ circumference 造句 ]