英文關鍵字
active
activity
boy
boys
cheerful
child
childhood
cold
day
down
downhill
family
father
fun
going
happiness
hat
hill
ice
joy
joyful
laugh
laughing
leisure
motion
mountain
outdoors
outside
park
people
play
playful
recreation
rolling
sled
sleds
sleigh
slide
slope
smile
snow
speed
tourist
vacations
white
winter