英文關鍵字
ballpoint
black
boy
cell
classmate
communication
connection
contact
decide
deciding
desk
education
fingers
guy
holding
indoor
knowledge
lifestyle
man
messaging
mobile
one
pen
person
pullover
pupil
read
reader
room
school
screen
scrolling
silver
site
sitting
smartphone
solve
student
task
technology
teenager
text
texting
unknown
watching
white
yellow