dementia 是一个医学术语，指的是一种影响大脑功能的症状群，通常表现为记忆、思维、理解、判断、语言和行为的逐渐丧失。它是一种慢性退行性疾病，通常与衰老过程相关，但也可以由其他因素引起，如脑部损伤、感染或药物滥用等。

1. 音标：

dementia /dɪˈmɛnʃə/

2. 翻译：

中文翻译为“痴呆症”或“老年痴呆症”，指的是一类影响记忆和其他认知功能的疾病。

3. 读音：

dementia 的发音为 [di-men-shuh]。

4. 用法：

"Dementia is a progressive disease that affects memory and cognitive abilities."
(痴呆症是一种进展性疾病，影响记忆和认知能力。)

"Early diagnosis of dementia can help manage symptoms."
(早期诊断痴呆症有助于管理症状。)

5. 例句：

His mother was diagnosed with dementia at the age of 75.
(他的母亲在75岁时被诊断为痴呆症。)

Dementia can cause severe memory loss, making it difficult for patients to recognize their loved ones.
(痴呆症可能导致严重的记忆丧失，使患者很难认出他们的亲人。)

Alzheimer's disease is the most common cause of dementia.
(阿尔茨海默病是最常见的痴呆症原因。)

Family members need to provide emotional and physical support to dementia patients.
(家庭成员需要为痴呆症患者提供情感和身体上的支持。)

There are medications available that can slow the progression of dementia, but there is no cure.
(有一些药物可以减缓痴呆症的进展，但没有治愈方法。)

The symptoms of dementia can vary widely from one person to another.
(痴呆症的症状因人而异。)

Cognitive therapy and other treatments may improve the quality of life for dementia patients.
(认知疗法和其他治疗方法可能会改善痴呆症患者的生活质量。)

Dementia affects not only the patient but also their caregivers.
(痴呆症不仅影响患者，还影响他们的护理人员。)

In some cases, dementia may be caused by strokes or other brain injuries.
(在某些情况下，痴呆症可能是由中风或其他脑损伤引起的。)

The risk of developing dementia increases with age, but it can also occur in younger individuals due to genetic factors.
(痴呆症的风险随着年龄增长而增加，但由于遗传因素，年轻人也可能会患上痴呆症。)

6. 短语搭配：

Alzheimer's dementia (阿尔茨海默型痴呆)

vascular dementia (血管性痴呆)

frontotemporal dementia (额颞叶痴呆)

dementia care (痴呆症护理)

dementia patient (痴呆症患者)

dementia symptoms (痴呆症症状)

痴呆症的治疗方法多种多样，通常包括药物治疗、认知训练、以及其他支持性护理等。