英文關鍵字
age
app
application
bench
boy
call
cellphone
child
communication
complicity
elderly
electronic
enjoying
family
gadget
game
games
generation
grandchild
grandfather
grandpa
grandparent
grandson
happy
internet
kid
learning
leisure
little
male
man
modern
new
old
park
people
phone
senior
showing
sitting
smart
smartphone
smile
smiling
teaching
technology
together
touchscreen
using
wifi