英文關鍵字
1950s
51
alien
aliens
animals
area
bug
bugs
control
countless
disgusting
egg
eggs
experiment
exterminator
fiction
genetic
green
halloween
horde
hundreds
infection
infestation
infested
invasion
lair
lots
mad
mars
martian
mutant
nasty
pest
reptilian
scary
scene
sci-fi
science
scientist
scifi
slime
slimy
space
starship
thousands
troopers
virus
zombie
zombies