英文關鍵字
active
activity
beautiful
bicycle
cheerful
child
childhood
cityscape
crash
cute
cycling
cyclist
enjoyment
exercise
face
fall
fallen
field
fun
health
helmet
injury
knee
leg
leisure
little
nature
noticed
outdoor
pain
person
protection
recreation
rescuer
road
safety
sport
sports
suffers
summer
torment
trauma
wheat