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.
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