英文關鍵字
red
alert
light
flashing
metal
surface
loop
alarm
dark
flashes
emergency
fire
military
army
bunker
attack
battleship
soldiers
accident
underground
defense
control
ww3
missile
system
submarine
war
base
ship
closeup
night
sound
invasion
room
navy
airfield
command
norad
nato
disaster
air
raid
damage
invaders
ukraine
russia
world
conflict
warning