形容词
中文翻译：随机的
同义词：
['arbitrary', 'capricious', 'chance']
例句：
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1. Theresults were random and unpredictable.
结果随机且不可预测。
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2. She decided to goto the beach on a whim,which was quite random.
她心血来潮决定去海滩，这相当随机。
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3. Thelottery numbers were drawn at random, soit's impossible to predict who willwin.
彩票号码是随机抽取的，因此不可能预测谁会中奖。