英文關鍵字
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1920x1080
adder
africa
african
arietans
bitis
camouflage
clip
close
coiled
dangerous
deadly
defensive
desert
ecology
eyes
footage
head
motion
mouth
natural
nature
pattern
patterned
poisonous
predator
puff
reptile
reptilian
scales
scaly
serpent
snake
southern
venomous
video