英文關鍵字
black
boy
boys
classroom
college
communicate
computer
desk
electronic
entertainment
fingers
flipping
gadget
game
hands
holding
indoor
knowledge
learn
learner
lesson
lifestyle
looking
male
person
play
playing
pupil
pupils
scroll
scrolling
sitting
smart
student
students
table
tablet
task
technology
teen
teenager
touch
touching
unrecognizable
using
white
writing