英文關鍵字
black
book
bookk
boy
classroom
closeup
communicating
communication
computer
connection
contact
device
digital
educate
education
fingers
gadget
hands
holding
indoor
looking
male
messaging
one
person
portative
read
readind
reading
screen
scroll
scrolling
sitting
smartphone
student
suit
table
technology
textbook
texting
touch
touching
typing
unrecognizable
watching
white
writing