英文關鍵字
active
activity
adult
angry
annoyed
arms
athlete
bad
ball
beginner
caucasian
challenge
competitive
court
disappointed
exercise
exercising
fitness
game
games
health
healthy
hitting
leisure
lifestyle
loosing
male
man
one
person
play
player
playing
point
practicing
professional
racket
racquet
recreation
serve
spirit
sport
sports
squash
tennis
training
unhappy
upset
workout
young