英文關鍵字
aggression
america
animation
armed
battle
battleship
blue
boat
cannon
clear
clouds
conflict
crime
destroyer
dock
enforcement
forces
gun
history
industrial
industry
large
marine
metal
military
nautical
naval
navy
ocean
pier
power
protection
radar
sea
ship
side
sky
skyline
steel
technology
texas
transportation
vessel
view
virginia
war
warship
water
weapon