英文關鍵字
adult
alternative
arms
athlete
body
cable
care
caucasian
cheerful
collage
concept
crossed
electric
electrical
electricity
electro
electrode
electronic
ems
equipment
exercise
exercising
fit
fitness
full
gym
handstand
health
healthy
help
impulse
indoors
machine
male
man
medicine
modern
muscle
muscular
power
sport
sporty
stimulation
suit
technology
training
tube
weights
workout
young