英文關鍵字
activity
adult
aerobics
athlete
background
beautiful
beauty
body
caucasian
class
club
concentration
determination
energy
equipment
exercise
female
fit
fitness
flexibility
girl
gym
gymnasium
health
healthy
leg
lifestyle
mat
modern
muscles
people
physical
relaxation
shape
slim
sport
sportswear
stretch
stretching
strong
tracksuit
trainer
training
warmup
woman
women
workout
yoga