dementia
US /dɪˈmen.ʃə/
UK /dɪˈmen.ʃə/
1.
痴呆症, 失智症
a chronic or persistent disorder of the mental processes caused by brain disease or injury and marked by memory disorders, personality changes, and impaired reasoning.
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Early diagnosis of dementia can help manage its progression.
痴呆症的早期诊断有助于控制其进展。
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She is studying the effects of aging on dementia.
她正在研究衰老对痴呆症的影响。