Breathe an infection

• 呼吸道感染

Breathe an infection的用法和样例：

例句

1. He had an infection in the upper respiratory tract.
   他上呼吸道感染。
2. A study on the relationship between the recurrent respiratory infection and ciliary structure abnormality.
   儿童反复呼吸道感染与纤毛结构异常相关性研究。