英文關鍵字
active
activity
background
ball
champion
championship
clay
close
closeup
competition
concept
cord
court
equipment
exercise
game
grass
green
hardcourt
health
hobby
leisure
lifestyle
line
match
net
object
outdoor
outside
play
professional
racket
racquet
recreation
recreational
rubber
space
sphere
sport
striped
symbol
tennis
tennisball
tenniscourt
tournament
training
white
yellow