名词
中文翻译：口源
同义词：
['oral source', 'oral origin', 'oral source of information']
例句：
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1. Thestudy found that the mouth source was a significant contributor to the pollution.
研究发现，口源是污染的一个主要来源。
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2.The research team identified the mouth source as the main contributor to the disease.
研究团队将口源确定为导致该疾病的主要因素。
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3. The company is exploring new sources of revenue to diversify its business model.
该公司正在探索新的收入来源，以多元化其商业模式。