英文關鍵字
action
active
activity
adult
autumn
background
boyfriend
carefree
catching
caucasian
concept
couple
disc
disk
family
female
field
free
frisbee
fun
game
girl
goldensunset
grass
happy
healthy
hipsters
leisure
love
male
man
motion
nature
people
play
playing
recreation
silhouettes
sport
spring
summer
summertime
sun
sunset
throwing
time
together
woman
young
youth