英文關鍵字
workout
gym
cardio
elliptical
machine
elliptic
orbitrek
orbitrack
exercising
exercise
training
ellipsis
athlete
fitness
sport
reverse
female
active
body
lifestyle
equipment
reversal
fit
person
muscular
foot
feet
ellipse
closeup
pedal
qfactor
leg
hip
buttocks
athletic
girl
woman
club
indoors
work
cycling
walking
indoor
physical
activity
bodybuilding