英语语法分析

Drying expectoration eat pears.

干燥咳痰多吃梨。

The most common symptoms were hemoptysis, fever expectoration and chest pain.

最普通的症状是咯血、发烧、咯痰和胸痛。

Respiration system : no cough, expectoration, hemoptysis, aspiration difficulty history.

呼吸系统：过去无咳嗽，咯痰，咳痰，呼吸苦难史。