英文關鍵字
aggression
ammo
ammunition
array
assault
attack
brass
bullet
caliber
cartridges
copper
crime
danger
dangerous
death
fire
firearm
floating
gun
gunpowder
hunt
hunter
hunting
killing
lead
load
loop
looping
metal
military
pain
pellet
red
reflective
rifle
shell
shells
shoot
shot
shotgun
space
sport
surface
trigger
violence
war
weapon