英文關鍵字
african
animal
aquatic
background
big
danger
dangerous
fat
fauna
head
hippo
hippopotamus
lake
large
mammal
mouth
national
natural
nature
open
park
pond
portrait
river
swim
teeth
water
wet
wild
wildlife
英文關鍵字
african
animal
aquatic
background
big
danger
dangerous
fat
fauna
head
hippo
hippopotamus
lake
large
mammal
mouth
national
natural
nature
open
park
pond
portrait
river
swim
teeth
water
wet
wild
wildlife