英文關鍵字
activity
adult
athlete
bicycle
bike
biking
body
cardio
cheerful
class
closeup
club
cycle
cycling
effort
endurance
enjoy
equipment
face
female
fit
fitness
group
gym
happy
indoor
machine
people
person
physical
portrait
practicing
professional
riding
smiling
spin
spinning
sport
static
studio
sweaty
trainer
training
woman
workout