形容词中文翻译1
中文翻译：Unknown
同义词：
['infrequent', 'irregular', 'sporadic']
例句：
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1. The outbreak of the disease was sporadic and difficult to predict.
这种疾病爆发是不规则的，难以预测。
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2. The research team found that the occurrence of the disease was sporadic across different regions.
研究团队发现，这种疾病在不同地区的发生是不规则的。
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3. The weather is sporadic, with hot days followed by cold ones.
天气是不规则的，热天之后是冷天。