英文關鍵字
academy
aim
arms
army
automatic
background
close
competition
crime
ear
enforcement
flare
grip
ground
gun
gunfighter
hand
handgun
hunting
law
light
man
one
outdoors
people
pistol
police
practice
protect
protection
range
rear
rifle
shoot
shooter
shooting
sight
single
sport
sun
target
training
war
weapon
white
woman