英文關鍵字
action
activity
art
boy
brothers
cheerful
child
childhood
children
cold
descent
down
downhill
enjoyment
frost
fun
gliding
happy
hill
joy
kid
laughter
leisure
lifestyle
man
outdoors
people
person
play
recreation
ride
riding
season
sled
sledding
sleigh
sleighing
sliding
slope
smile
snow
speed
sports
surface
teenager
trees
tube
vacation
walking
white
winter
woman
young