英文關鍵字
240fps
africa
african
aggressive
amphibious
angry
animal
aquatic
behavior
bull
danger
dangerous
fantasia
fight
footage
herbivore
hippo
hippopotamus
history
hitting
kicking
lake
land
large
leg
male
mammal
most
mouth
mouthing
national
natural
park
pod
pool
river
splash
splashing
stock
swamps
territorial
territory
very
water
wildlife