Tā xīyān duō nián, xīnfèi gōngnéng míngxiǎn xiàjiàng.
After years of smoking, his cardiopulmonary function has clearly declined.
Tips
memory
心 (heart) + 肺 (lung) + 功能 (function), treats the cardiovascular and respiratory systems as one functional unit, which matches the medical reality that aerobic fitness = heart + lungs working together.
