circumference
英 /səˈkʌmfərəns/
中文释义
n.圆周，周长，圆周线
The distance around a circular object, like a circle or sphere.
常用搭配
- the circumference of the circle圆的周长
- measure the circumference测量周长
- Earth's circumference地球周长
例句
- I measured the circumference of the tree trunk with a tape.我用卷尺量了树干的周长。
- The engineer calculated the pipe's circumference before ordering seals.工程师在订购密封圈前算好了管道的周长。