英文關鍵字
aim
amendment
ammo
ammunition
arms
army
automatic
barrel
black
bullets
cache
clips
concealed
danger
defense
finger
firearm
firing
forest
gun
hand
holding
hunt
loading
magazine
male
man
metal
military
pistol
power
rifle
safety
second
security
semiautomatic
shot
shotgun
sight
site
sniper
sporting
target
terrorist
tough
war
weapon