英文關鍵字
amusement
black
boy
class
college
communicate
communication
computer
desk
device
digital
electronic
entertainment
fingers
flipping
game
hands
holding
indoor
knowledge
learn
learner
lecture
lesson
lifestyle
looking
person
play
playing
pupil
recreation
rest
scroll
scrolling
sitting
smart
student
students
tablet
task
technology
teenager
touch
touching
using
white
writing