英文關鍵字
abyss
aircraft
akula
animation
army
atomic
ballistic
blue
bombing
combat
concept
danger
dark
deep
deepwater
digital
fleet
huge
marine
military
missile
naval
navy
nuclear
nuclearpowered
ocean
people
port
russian
sea
ship
silhouette
soldiers
soviet
steel
submarine
submerged
typhoon
ussr
vessel
war
warship
water
weapon