英文關鍵字
authority
violence
competitive
operating
determination
powerful
explosion
shipment
occupation
union
blast
brave
strategy
fear
independence
order
strength
signal
arms
target
gasoline
victory
crew
diesel
force
fight
challenge
fuel
truck
blood
memory
patriot
civil
death
dust
security
attack
dangerous
protection
surveillance
engineering
vehicle
navy
machine
warrior
fire
destroy
demonstration
transport