英文關鍵字
alpha
background
black
blizzard
channel
chroma
climat
cold
dense
down
downfall
emiter
emition
fall
forecasting
gretings
heavy
holydays
ice
icy
intro
isolated
key
layer
light
motion
nature
night
particle
pollen
pollination
screen
season
slow
snowfall
snowflake
spin
storm
transition
weather
wind
xmas