英文關鍵字
game
sport
activity
play
fun
colorful
nobody
sky
empty
equipment
grass
park
lawn
field
nature
outdoor
environment
healthy
child
Enjoyment
old
childhood
children
kids
toy
motion
moving
exercise
damaged
fence
safety
recreation
cloudy
ground
public
playground
swing
courtyard
slide
yard
epidemic
pandemic
backward
quarantine
close up
health care
no people
coronavirus
stay home
covid 19