With much mucus, very thin.
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with much mucus
有很多粘液
以上为机器翻译结果，长、整句建议使用 人工翻译 。
When something irritates the airways of a patient with asthma, the airways become tightened, inflamed and produce too much sticky mucus.
BBC: Crippling viral infections 'cause asthma'
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