英文關鍵字
acrobatics
active
activity
adult
arms
athlete
athletic
biceps
body
bodybuilder
bodybuilding
caucasian
center
club
crossfit
equipment
exercise
fit
fitness
gym
indoors
male
man
muscles
muscular
people
physical
plan
power
powerful
rings
shape
sport
sports
sporty
strength
strong
train
workout
young