In other cases, extensive deterioration of the brain, such as various types of dementia, can lead to global aphasia where all three factors, fluency, understanding, and repetition are impaired.

- 在其他情况下， 大脑的广泛退化，例如各种类型的痴呆症， 可能会导致全面性失语症，即流畅性、理解性和重复性这三个因素都受到损害。

So if you were to get aphasia, especially if it was global aphasia, it's possible that it would be like waking up one day and not having the ability to effectively speak anymore.

因此，如果你得了失语症， 尤其是全面性失语症，可能就像有一天醒来， 却再也没有有效说话的能力了。

There are different types of aphasia, and different levels of how much they can affect your speech— from a difficulty repeating words to having trouble naming objects — but the most severe form is called global aphasia.

失语症有不同类型，对言语的影响程度也不同——从难以重复单词到命名物体有困难——但最严重的形式称为全面失语症。