英文關鍵字
adult
arm
arms
athlete
athletic
bearded
before
body
boxer
boxing
caucasian
clap
clapping
concentrated
confidence
confident
exercise
fit
fitness
flexibility
hand
hands
handsome
health
healthy
lifestyle
male
man
muscle
muscular
outdoor
outdoors
outside
preparation
preparing
professional
slowmotion
sport
sportive
sporty
stadium
strength
stretch
strong
training
warm
workout
young