英文關鍵字
amazing
animal
antarctica
arctic
behavior
berg
cold
crying
encounter
environment
fantastic
floe
glacier
global
grenland
harbour
hydrurga
ice
iceberg
icecap
iceland
landscape
leopard
leptonyx
life
mammal
marine
mountain
mountains
mouth
native
nature
ocean
polar
pole
resting
sad
sea
seal
sleep
sleeping
snow
video
water
white
wildlife
winter
wonderful