1. Next, x-rays show your mother has a lung infection — a frequent problem with stroke patients.
    而后，X光透视显示，你母亲肺部受到感染，这是中风病人的常见病症。

2. He is in hospital, suffering from a punctured lung.
    他因肺部穿孔而住院治疗.

3. Does smoking contribute to lung cancer?
    吸烟会导致肺癌吗?

4. My father died from "the poor man's friend", pneumonia, one hard winter when his lung illnesses had left him low.
    肺病把我父亲折磨得虚弱不堪, 一个严冬，他死于被叫做"穷人的朋友"的疾病——肺炎。

5. I doubt he had much lung left at all, after coughing for so many years.
    他咳嗽了这么多年，我想他的肺部已没有什么完好的地方了。