英文關鍵字
amphibian
animal
cetacea
delphinus
divers
dolphin
mammal
natatorium
nature
pool
porpoise
reservoir
sea
swimming
underwater
water
wildlife
英文關鍵字
amphibian
animal
cetacea
delphinus
divers
dolphin
mammal
natatorium
nature
pool
porpoise
reservoir
sea
swimming
underwater
water
wildlife