英文關鍵字
action
background
ball
bat
blurred
caucasian
challenge
close
closeup
colors
colours
compete
concentrated
exercising
fast
focus
foreground
friends
game
green
hand
hitting
hobby
indoor
leisure
match
men
motion
moving
nature
net
outdoors
over
paddle
person
play
player
professional
red
return
senior
slowmotion
sport
sunset
table
tenni