英文關鍵字
animal
antarctic
antarctica
arctic
argentinian
berg
blue
carbon
change
cold
encounter
floe
global
harbor
harbour
hydrurga
ice
iceberg
icecap
landscape
leopard
leptonyx
mammal
marine
melting
mouth
nature
north
ocean
pack
polar
pole
predator
resting
sea
seal
sleepin
sleeping
snow
south
travel
video
warming
water
white
wildlife
winter