英文關鍵字
algae
along
animal
bank
black
brown
closeup
colors
crawling
crawls
dice
diced
ears
europe
foliage
hunter
indeed
lurks
marshes
motion
muzzle
natrix
nature
poisonous
portrait
predator
prey
racer
reptile
reptilia
retreating
river
skin
slide
slow
snake
squamata
swamp
swimming
swims
tessellated
through
tongue
venomous
vertebrata
viper
water
wild
wildlife
yellow