释义 |
cir·cum·fer·enceBrE /səˈkʌmfərəns/ NAmE /sərˈkʌmfərəns/ noun [C , U ]a line that goes around a circle or any other curved shape ; the length of this line 圆周;圆周长◆ the circumference of the earth 地球的周长◆ The earth is almost 25 000 miles in circumference . 地球的周长大约为 25 000 英里。 ➡ compare perimeter |