英文關鍵字
animation
black
boy
business
caucasian
child
childhood
communication
composite
computer
concept
connected
connection
data
digital
dot
education
exposure
female
four
girl
information
internet
keyboard
lab
laboratory
laptop
male
multiple
multiracial
network
notebook
online
people
research
science
screen
student
study
technology
teenager
typing
using
web
wireless