random/'rændəm/

a. happening or chosen without using any reason or pattern

a. 随意的，任意的；随机的：He used a random sample of 500 customers in his analysis. 他在分析中随机抽了500位顾客。

at random 随意地，任意地：The teacher chose three students at random to answer the question. 老师随便选了三个学生回答问题。

音组-om/-əm/

atom; bottom; custom; freedom; kingdom; random; seldom; symptom; wisdom