英文關鍵字
gym
male
person
sport
strength
training
workout
exercise
fitness
health
man
young
bicycle
club
fit
athlete
athletic
body
equipment
healthy
indoor
instructor
muscles
power
strong
cardio
endurance
machine
active
sportswear
adult
attractive
bike
aerobics
class
concentration
effort
exercising
muscular
using
weight
wellbeing
working
bodybuilding
motion
sitting
cycling
cycle