• n. 圆周；周长；胸围

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

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.

1. the circumference of the earth

地球的周长

来自《权威词典》

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

运动场周长一英里.

来自《简明英汉词典》

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

圆的直径与圆周有相互关系.

来自《现代英汉综合大词典》

4. The lake is thirty li in circumference.

这湖周围长30里.

来自《简明英汉词典》

5. The lake has a circumference of 800 li.

那个湖方圆800里.

来自《现代汉英综合大词典》