silent zone of lung

例句：

1. 1. The patient's condition is stable in the silent zone of lung.
   病人在肺的无声区内状况稳定。
2. 2.During sleep, the body's metabolism slows down, and the silent zone of lung becomes more pronounced.
   在睡眠时，身体的新陈代谢会减慢，肺部的无声区变得更加明显。
3. 3. The doctor suspects that the patient has a chronic disease affecting the silent zone of lung.
   医生怀疑患者患有影响肺部无声区的慢性疾病。