a change in someone's sense of taste, so that foods taste strange, or so that the person has a strange taste in their mouth

Dysgeusia has a variety of different triggers, from the common cold to dementia. 味觉失调可能由多种原因引起，从感冒到失智症都有可能。

Most people with dysgeusia describe very specific and unusual tastes. 绝大部分味觉失调的人都会说他们能尝到特殊而且异常的味道。