英文關鍵字
achievement
activity
american
athlete
attentive
body
building
caucasian
chest
club
concentration
deck
effort
energy
equipment
exercise
fitness
fly
gym
hard
healthy
leisure
lifestyle
lifting
machine
male
man
muscle
muscular
pec
power
press
repetition
safety
set
shoulder
sitting
sport
strength
training
weight
working
young