英文關鍵字
australia
bay
big
coast
diving
ecosystem
fauna
fin
largest
mammal
nature
north
ocean
pacific
sea
species
splash
surface
swim
tail
watching
water
wave
whale
wild
wildlife
英文關鍵字
australia
bay
big
coast
diving
ecosystem
fauna
fin
largest
mammal
nature
north
ocean
pacific
sea
species
splash
surface
swim
tail
watching
water
wave
whale
wild
wildlife