Definition: one of the two organs inside your chest that are used for breathing Level: B2
吸烟是肺癌的主要原因。
Smoking is a major cause of ___lung cancer.
患肺部疾病的人通常需要专业治疗。
People suffering from ___lung diseases often need specialized treatment.
医生用X光检查了她的肺。
The doctor examined her ___lungs with an X-ray.
