random 详细解释

random

['rændəm]

adj.任意的, 随机的, 随意的
n.随意, 任意
adv.随机地

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

词形变化

副词: ran-domly | 名词: randomness |

词义辨析

同义:

a.偶然的; 无规则的

haphazard  irregular  unorganized  

同义参见:

casual  adventitious  accidental  occasional  chaotic  aimless  promiscuous  desultory  

反义:

a.任意的; 随机的

deliberate  

英英释义

形容词 random:

lacking any definite plan or order or purpose; governed by or depending on chance

taken haphazardly

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。

补充

randomrandom英:[ˈrændəm] 美:[ˈrændəm]adj.1.任意的; 无计划的2.(统计)随机的

例句

1. Children's words and actions are often fairly random.小孩子的言行常常是随性而为。 2. random variations of the wind风的变化不定 3. The competitors will be subject to random drug testing.参赛者将要接受随机药检。 4. random violence against innocent victims加诸无辜受害者的无端暴行 5. We picked the number at random.我们随机抽取了这个数字。 6. a random sample of 100 households.随机抽取的100户家庭样本。 7. he opened the book at random.他信手打开书本。 8. The competitors were chosen at random from the audience.参赛者是从观众之中随意挑选的。 9. a random sequence of letters随意排列的字母顺序 10. A random sample/sampling/selection of doctors from around the country were selected for the study.为进行这项研究，从全国各地随机抽样选出了一些医生。 11. We tasted the wines in random order and then rated each.我们按随机顺序品尝这些葡萄酒，然后逐一进行评价。 12. a random collection of buttons随意收集的纽扣 13. random drug testing随机的违禁药物检测 14. She collects random photographs that she finds in antique shops.她收集在古玩店中偶然碰到的照片。 15. Pick a random word on the page.从这页上随便挑出一个词。 16. The computer program generates a list of random numbers.计算机程序可以生成一列随机数字。 17. Our names were chosen/selected/picked at random from the list.我们的名字是从名单上随便挑选的。 18. People drifted in and out of the gallery at random all evening.人们整晚都从画廊随意进进出出。 19. The ropes had been cut randomly to different lengths.这些绳索被任意截成不同长度的几段。 20. We were each asked to randomly pick a word on the page.我们每人都被要求从这页上任意挑出一个词。

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