英文關鍵字
africa
african
amphibius
animal
aquatic
background
bathing
big
brown
close
closeup
common
danger
dangerous
eye
face
fat
fauna
head
herbivore
herbivorous
hippo
hippopotamus
huge
lake
large
mammal
motion
mouth
national
natural
nature
one
outdoor
portrait
river
safari
slow
slowmotion
south
surface
swim
swimming
up
water
wet
wild
wilderness
wildlife