英文關鍵字
academic
analyzing
background
book
books
concept
discovery
document
documents
education
educational
finger
forefinger
hand
hands
holding
index
indexfinger
information
knowledge
learn
learning
leisure
literature
novel
open
page
pages
paper
person
pointing
printed
read
reading
red
school
schoolbook
studies
study
studying
text
white
woman
work
writing