英文關鍵字
action
aim
aiming
air
ambush
america
american
ammunition
arm
army
assault
attack
battle
bullet
camouflage
combat
commando
conflict
defender
defense
firing
flash
force
green
grom
guard
gun
helmet
hider
hostilities
human
infantry
invisible
male
man
marksman
military
mission
officer
patrol
protect
protection
recruit
rifle
service
shoot
shooting
shot
sight
sniper
soldier
special
stealth
target
uniform
usa
volunteer
war
warfare
warrior
watch
weapon