英文關鍵字
antarctic
arctic
block
board
boat
broken
cold
concept
cracked
cute
day
downward
drifting
edge
floe
flow
fragment
frost
frozen
ice
iceboat
icebreaker
lake
lit
lot
melt
motion
nature
north
nose
outdoor
piece
pole
reflection
river
sail
season
shatter
ship
side
slide
spring
stream
thaw
water
white
winter