虽然能在Fire上租借高清视频，但它本身只支持标清视频播放。

Though you can rent HD content on it, the Fire only supports standard definition video.

youdao

目前在最新版本的至善读书(0.58.472以上版本)中实现了对高清视频书的支持。

However, read version 0.58.472 or above supports video books now.

youdao

目前在最新版本的至善读书(0.58.472以上版本)中实现了对高清视频书的支持。

However, read version 0.58.472 or above supports video books now.

youdao