英文關鍵字
application
bedroom
book
bookcase
browsing
call
cellphone
click
communication
connection
cyberspace
desk
display
education
entertainment
finger
game
holding
indoor
infant
intelligence
internet
key
kid
learning
message
mobile
network
online
pages
phone
playful
reading
screen
shoulder
smart
smartphone
social
technology
telephone
touch
using
video