名词短语
中文翻译：痰液和液体潴留
同义词：
['sputum', 'edema', 'congestion', 'retention']
例句：
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1.The patient had a lot of phlegm in his throat, which made it difficult for him to breathe.
病人喉咙里有大量痰，让他呼吸困难。
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2. Fluid retention is a common problem in patients with heart failure.
液体潴留是心脏病患者常见的问题。
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3.Doctors often recommend drinking plenty of water to prevent fluid retention.
医生经常建议多喝水以防止液体潴留。