英文關鍵字
animal
antarctic
antarctica
arctic
argentinian
change
cold
encounter
float
floe
global
harbor
harbour
hydrurga
ice
iceberg
icecap
idyllic
isolated
landscape
leopard
leptonyx
mammal
mammals
marine
melting
mountain
mouth
moving
native
nature
ocean
pack
pole
predator
resting
sea
seal
sleepin
sleeping
snow
south
travel
warming
water
white
wildlife
winter