diam
/ˈdaɪæm/the length of a straight line passing through the center of a circle and connecting two points on the circumference
noun [抽象名词] n.直径
Fruit red, slightly compressed, 5-6 cm long, 4 mm in diam. 果实红色，稍扁，卵圆形，长5 - 6厘米，直径约4毫米。
