| 释义 |
| | | | NOUN MEDICAL | | | | | /dɪˈmenʃə/ | | | | | | a serious illness affecting someone’ s brain and memory in which they gradually stop being able to think or behave in a normal way . Most forms of dementia usually affect only old people . 痴呆（症）（一种影响大脑和记忆的严重病症，患病者无法正常思维或行动，大多数痴呆症通常只影响老年人） | | |