
例句
The round cake measures thirty centimetres in diameter.
这个圆蛋糕的直径是三十厘米。
Engineers must calculate the diameter of water pipes carefully to ensure an adequate supply to growing cities.
工程师必须仔细计算水管直径,以确保不断扩张的城市有充足的供水。
常用搭配
- in diameter|直径为
- measure the diameter|测量直径
- internal diameter|内径
- external diameter|外径
用法提示
直径是diameter,半径是radius;尺寸后常接in diameter。