英文關鍵字
abstract
animal
apocalypse
apocalyptic
attack
bad
bed
blood
bloody
concept
contaminated
contamination
damage
death
dramatic
end
evil
flow
flowing
flows
kill
killing
mars
martian
negative
nuclear
poison
poisoned
polluted
pollution
radiated
radiation
radioactive
red
river
rocks
rocky
shallow
stones
stony
stream
times
toxic
war
waster
water