diameter

/daɪˈæmətər/

the length of a straight line passing through the center of a circle and connecting two points on the circumference

中文释义：直径

The diameter of the Earth is approximately 12,742 kilometers.

地球的直径约为12,742公里。

Measure the diameter of the pipe before buying a replacement.

在购买替换件之前测量管道的直径。