The company has introduced random drug testing of its employees.
公司已实行对雇员的随机毒品测试。
We looked at a random sample of 120 families.
我们研究了随机抽样的120个家庭。
adj. [数]随机的;任意的;[建]胡乱的
stochastic、
arbitrary
n. 随意
ad libitum
adv. 胡乱地
wild
adj. randomized
adv. randomly
v. randomized
vt. randomize