150年来，布莱叶盲文书籍设计的功能尽可能做到与印刷图书相同。

For 150 years, Braille books were designed to function as much as possible like print books.

youdao

150年来，布莱叶盲文书籍设计的功能尽可能做到与印刷图书相同。

For 150 years, Braille books were designed to function as much as possible like print books.

youdao