英文關鍵字
aboard
board
bomb
deep
down
force
inside
light
maritime
military
naval
navy
nobody
panorama
pipe
round
sea
ship
solid
submarine
torpedo
tube
tubes
underwater
vessel
warfare
warship
weapon
英文關鍵字
aboard
board
bomb
deep
down
force
inside
light
maritime
military
naval
navy
nobody
panorama
pipe
round
sea
ship
solid
submarine
torpedo
tube
tubes
underwater
vessel
warfare
warship
weapon