英文關鍵字
activity
adult
arm
athlete
beginner
biceps
bob
body
bodybuilding
calisthenic
cast
dumbbell
exercise
fitness
flexing
force
hand
handsome
hard
healthy
heavy
iron
lift
lifting
light
male
man
meadow
men
morning
muscle
muscles
nature
outdoors
poise
power
raise
sport
strong
sun
testosterone
training
triceps
weight
work
workout
young