英文關鍵字
accuracy
activity
attention
ball
beat
caucasian
child
clothing
concentration
court
dof
drill
drilling
effort
equipment
exercise
females
fitness
girl
gym
hands
happy
indoor
lawn
learn
leisure
lesson
motion
occupation
outfit
people
pink
playing
practice
pursuit
racket
rest
shallow
shorts
skill
smile
speed
sports
standing
tennis
tilt
training
vulcan