pneuniatic signs

例句：

1. 1. The pneumonoultramicroscopicsilicovolcanoconiosis is a rare lung disease caused by inhaling tiny particles of volcanic ash.
   肺泡微尘病是一种罕见的肺部疾病，是由于吸入微小的火山灰颗粒引起的。
2. 2. The patient was diagnosed with pneumonia, and the doctor prescribed antibiotics to treat it.
   病人被诊断出患有肺炎，医生开了抗生素来治疗。
3. 3. Pneumonia can be prevented by washing your hands frequently and avoiding close contact with sick people.
   通过经常洗手并避免与生病的人密切接触，可以预防肺炎。