英文關鍵字
aerosol
aim
aiming
army
background
black
bullet
concentration
dangerous
dark
determination
ear
fire
firearm
focus
gun
hand
handgun
hobby
indoor
law
man
military
one
outdoor
paper
person
pistol
police
practice
practise
protect
protection
range
safety
security
shoot
shooter
shot
shotgun
skill
sport
success
target
training
usp
war
weapon
white