英文關鍵字
action
adult
aggression
ammo
ammunition
armed
armor
army
battlefield
body
bullet
bulletproof
camp
caucasian
concepts
conflict
courage
danger
forces
gun
hand
heroes
ideas
industry
machine
male
marines
men
military
operator
outdoors
protection
protective
rangers
recharge
recruit
reloading
rifle
risk
shell
shooting
sniper
soldier
special
training
uniform
war
warrior
weapon