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.
实用例句
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.
