英文關鍵字
action
active
american
arena
athlete
attack
background
ball
beginning
competitive
defense
field
football
game
gridiron
group
healthy
helmet
league
lifestyle
look
male
masculinity
match
men
muscular
national
nfl
odd
offense
outdoors
people
pitch
play
player
playing
prepare
professional
rules
sport
sports
sportsman
stadium
strategy
strong
team
teamwork
uniform
watching
white