英文關鍵字
walrus
seal
rest
shores
animal
vaigach
island
new
earth
arctic
russian
ocean
nature
mammal
unique
landscape
amazing
sea
fangs
background
pinniped
swim
wilderness
desert
tusk
wildlife
flipper
ecology
pack
beast
global
species
cloud
fat
warming
closeup
resting
zoology
odobenus
polar
rock
north
nuclear
feeding
base
aero
view
copter
cow
coast