英文關鍵字
accessibility
alphabet
blind
blindness
book
braille
disability
disabled
education
emboss
finger
hand
learning
paper
people
person
read
reading
relief
school
senses
sight
student
studying
symbol
system
text
touching
英文關鍵字
accessibility
alphabet
blind
blindness
book
braille
disability
disabled
education
emboss
finger
hand
learning
paper
people
person
read
reading
relief
school
senses
sight
student
studying
symbol
system
text
touching