名词
中文翻译：痰液
同义词：
['sputum', 'phlegm', 'mucus例句：1. He coughed up a small amount of sputum.（他咳出了一小口痰。）']
例句：
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1. He coughed up a small amount of sputum.
他咳出了一小口痰。
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2.The patient's sputum was tested for bacteria.
病人的痰液被检测出细菌。
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3.The doctor advised the patient to avoid sputum-containing foods.
医生建议病人避免吃含痰食物。