英文關鍵字
animal
antarctic
antarctica
arctic
bay
beautiful
behaviors
blue
change
cold
floe
global
harbor
hydrurga
ice
iceberg
leopard
leptonyx
mammal
marine
melting
mouth
native
natural
nature
north
ocean
pack
polar
pole
predator
resting
sea
seal
sleep
sleepin
sleeping
snow
south
travel
video
waddling
warming
water
white
wildlife
winter