Respiratory problems in adulthood can lead to other illnesses, such as heart disease and emphysema.
Respiratory problems in adulthood can lead to other illnesses, such as heart disease and emphysema.
成年时发生的呼吸系统问题会导致其他疾病，诸如心脏病和肺气肿。
Respiratory problems in adulthood can lead to other illnesses, such as heart disease and emphysema.
成年时发生的呼吸系统问题会导致其他疾病，诸如心脏病和肺气肿。