random
01
随机的, 任意的
chosen, done, or happening by chance and without any particular plan, method, or purpose
例子
She received a random email from an old friend she had n't heard from in years.
她收到了一封来自多年未联系的老朋友的随机邮件。
02
随机的, 任意的
occurring in such a way that each possible outcome has a certain probability of occurring, but the specific outcome cannot be predicted with certainty
例子
The random variable X represents the number of heads obtained when flipping a coin three times.
随机变量X代表抛硬币三次时获得的正面次数。
词汇树
nonrandom
randomize
randomly
random
