英语语法分析

The chief symptoms were cough, breathlessness and cyanosis.

主要症状有咳嗽、气急与紫绀。

Signs include difficulty breathing, cyanosis, and exercise intolerance.

症状包括呼吸困难、紫绀和运动不耐。

General: mental status, temperature, hydration status, pallor, or cyanosis.

一般检查：心理状态、体温、水合状况、苍白和发绀。