英文關鍵字
abstract
action
activity
artificial
background
ball
clean
competition
cut
empty
field
floor
football
fresh
game
goal
grass
green
ground
growth
kick
landscape
lawn
line
meadow
motion
natural
nature
nobody
outdoor
outdoors
pattern
plant
play
player
playground
playing
recreation
soccer
space
sport
spring
stadium
summer
surface
team
texture
turf
white
yard