英文關鍵字
action
active
aerobics
back
background
black
body
boots
cardio
closeup
competition
dance
dancing
energy
equipment
exercises
expression
female
fitness
flexibility
foot
girl
gray
gym
gymnastics
indoor
instructor
jumping
kangoo
lady
legs
motion
moving
muscles
people
shoes
skill
slim
slow
sports
sportswear
springs
studio
suit
trainer
training
twilight
view
workout
young