英文關鍵字
abandoned
activity
child
childhood
children
closed
colorful
coronavirus
covid
crisis
dangerous
empty
epidemic
equipment
exercise
freedom
fun
game
grass
green
kid
kids
leisure
loneliness
lonely
motion
nature
nobody
old
outdoor
outdoors
outside
pandemic
park
people
play
playground
quarantine
recreation
sad
seat
summer
swing
swinging
swings
toy
vacation
vintage
virus