同义词senescence、senile state、senile dysfunction、senility NOS、ageing、advanced age、frail elderly、frail aged、senilis atrophia、senile weakness、senile marasmus、senile prostration、senile exhaustion、senile failure、senile fatigue、senile infirmity、old age exhaustion、old age without mention of psychosis、senectus、senescence without mention of psychosis、senile、senile asthenia、senile cachexia、senile catabolism、senile change、senile decay、senile deterioration、senile degeneration、advanced years、old NOS (deprecated)、atrophic changes of old age、age related frailty、frail NOS、frailty NOS、frailty of old age、old age cachexia、old age atrophy、geriatric frailty、general frailty、senile atrophy、old age (deprecated)