形容词
中文翻译：随机的
同义词：
['arbitrary', 'capricious', 'casual', 'chance']
例句：
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1.The random selection of the participants was a surprise to everyone.
参与者的随机选择让每个人都感到惊讶。
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2. He decided to go to the beach on a whim, which was quite random.
他心血来潮决定去海滩，这相当随机。
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3. The random walk is a model used in probability theory to describe the movement of particles.
随机漫步是概率理论中描述粒子运动的模型。