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:★
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 ]