英文關鍵字
background
block
broken
chunk
climate
cold
cool
cracked
drift
drifting
environment
float
floating
floe
flood
floodwater
flow
flowing
freeze
frost
frosty
frozen
glacial
glacier
ice
icy
lake
melt
melting
meltwater
natural
nature
north
ocean
pattern
piece
ripple
river
sea
season
spring
stream
thaw
thawing
warming
water
wave
weather
white
winter