英文關鍵字
arm
blank
book
browse
business
choosing
close
concept
data
education
female
finger
flip
hand
holding
idea
imagination
information
learning
library
literature
motion
notebook
old
open
page
pages
paper
person
public
quickly
read
relaxation
scan
shabby
slow
student
study
studying
table
text
textbook
through
thumb
turn
unrecognizable
viewing
wallpaper
woman
women