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1·Copius purulent sputum production with cough is typical.

反复感染、咳大量脓痰是其特征。

2·The lying veteran was choked with sobs and a mouthful of purulent sputum almost choked him to death.

当时躺在病床上的老兵早已泣不成声，一口脓痰差点把他给憋死过去。

3·The smell of purulent sputum incubating deep within a lung may waft its way up the bronchial tree, resulting in serious halitosis.

肺中的浓痰的气味沿着支气管呼出来导致严重的口臭。