Lower respiratory trace infection

• 下呼吸道感染

Lower respiratory trace infection的用法和样例：

例句

1. Advances in Diagnosis and Treatment of Lower Respiratory Tract HE Li - xian.
   下呼吸道感染诊断治疗进展。
2. He's suffering from an acute infection of the lower respiratory tract.
   他患有急性下呼吸道感染。