英文關鍵字
activity
alley
arm
caucasian
child
childhood
city
culture
elbowpad
equipment
expression
face
girl
hair
hand
helmet
kid
kneepad
leisure
life
lifestyle
little
look
one
outdoor
park
path
paving
people
person
playful
portrait
protect
protective
roller
rollerskate
shake
slab
smile
sport
stand
stare
stretch
summer
tree
urban
walkway
wheel
young