英文關鍵字
alien
cgi
character
close
collision
conflict
contact
creature
defense
desert
dusk
enemy
extraterrestrial
fantasy
fiction
first
flight
flying
foe
friendship
galaxy
giant
helicopters
humanoid
invaders
martian
meeting
military
monster
mothership
other
render
roswell
saucer
sci
science
ship
space
strangers
sunset
ufo
war