英文關鍵字
abstract
action
active
alp
artificial
background
blower
cannon
cold
environment
equipment
frost
frozen
germany
gun
high
hill
jet
landscape
lift
machine
maker
material
mountain
new
outdoor
outdoors
patternl
powder
powdersnow
preparation
recreation
ski
skier
sky
slope
snow
snowboard
snowcannon
snowgun
snowmaker
sport
spray
sun
sunny
technology
travel
water
winter