英文關鍵字
alien
aliens
big
creature
dark
darkness
egg
eggs
extraterrestrial
extraterrestrials
fiction
gas
gaseous
godzilla
horror
lake
large
lifeform
living
mist
misty
monster
monsters
organism
outer
planet
pond
pool
river
science
scifi
slime
slimy
smoke
smoky
space
swamp
water