Nowadays many old people have Alzheimer's disease and other dementias.

当下许多老年人都患有阿尔兹·海默病和其他痴呆症。

youdao

Nowadays many old people have Alzheimer's disease and other dementias.

当下许多老年人都患有阿尔兹·海默病和其他痴呆症。

youdao