lung

Smoking is the primary cause of lung cancer and other respiratory diseases.

(Chinese) 吸烟是导致肺癌和其他呼吸系统疾病的主要原因。

The doctor listened to the patient's lungs using a stethoscope during the checkup.

(Chinese) 检查期间，医生用听诊器听了病人的肺部声音。