英文關鍵字
child
sport
young
exercise
machine
healthy
lifestyle
training
person
equipment
outdoor
park
fitness
active
summer
gym
health
happy
girl
playground
activity
fun
childhood
cute
fit
kid
female
simulator
caucasian
leisure
cheerful
endurance
face
exercising
workout
apparatus
day
playing
public
alone
treadmill
machinery
playful
practice