英文關鍵字
african
animal
asia
asian
black
close
cobra
crawl
creature
danger
dangerous
deathly
dirt
earth
ecology
ecosystem
environment
fast
fauna
ground
herpetology
indian
jungle
land
life
long
medicine
nature
one
poison
poisonous
predator
reptile
scale
serpent
snake
soil
surface
terrarium
toxic
tropical
venom
venomous
vertebrate
viper
wild
wilderness
wildlife
zoo
zoology