英文關鍵字
book
class
classroom
college
computer
desk
device
digital
educate
education
electronic
fingers
flipping
gadget
girl
hands
holding
indoor
learning
lesson
looking
one
person
pupil
read
reading
school
schoolgirl
screen
scroll
scrolling
sitting
smart
student
study
studying
table
tablet
technology
teenager
textbook
texting
touch
touching
using
watching
writing
young