InKenya,blindstudentsandthosewithpooreyesightwerestillu...
问题详情：InKenya,blindstudentsandthosewithpooreyesightwerestillusingBraille（布莱叶盲文）booksfortheirstudiesuntilrecently.ButKenyanschoolsfortheblindarenowbeginningtousetechnologythatprovidesmaterialinana...