at random
参考词典中at random的常规释义：
基本释义
- adv.胡乱地,随便地
英英解释
1个副词解释
- in a random manner
[同] every which way, haphazardly, indiscriminately, arbitrarily, at random, randomly, willy-nilly
[例]- the houses were randomly scattered
- bullets were fired into the crowd at random
点击查看……- in a random manner
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