英文關鍵字
abandoned
abduct
absent
abuse
autumn
background
chain
child
childhood
childrens
concept
conceptual
creepy
dirt
empty
foliage
grieve
ground
hanging
kid
lonely
lonesome
loss
lost
missing
moving
natural
nature
nobody
outdoor
outside
park
people
play
playground
recess
recreation
recreational
sad
sadness
sand
school
seat
set
solitude
sway
swing
swinging
tree
view
wind