random

random

['rændəm]

adj.任意的, 随机的, 随意的
n.随意, 任意
adv.随机地

例句与用法：

Soiled dishes were piled at random.

脏碟子胡乱地堆放着。

By mere chance or fortune; at random.

碰巧; 胡乱地; 随意地

A disturbance, especially a random and persistent disturbance, that obscures or reduces the clarity of a signal.

干扰噪声一种干扰，尤指一处任意的和持续的干扰，使信号变模糊或减少

Marked by a lack of care, accuracy, or organization; random.

漫无目的的缺乏谨慎、精确或组织性的; 随意的

The librarian took a book at random from the shelf.

图书管理员从书架上随便拿了一本书。

词形变化：

副词: ran-domly | 名词: randomness |

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n.

(现只用于at random)任意行动; 随机过程[U]

He took a book at random.

他随手取了一本书。

a.

1. 胡乱的; 随便的, 任意的

He was not listening and made a random answer to the teacher's question.

他不在听讲, 对教师的问题瞎答一通。

2. (建筑材料等)大小不一的, 规格不一的

3. 【统】随机的

random sampling

随机取样

4. 【物】无规则的

短语词组：

at random

1. 随便地; 任意地

Soiled dishes were piled at random.

脏碟子胡乱地堆着。