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