英文關鍵字
adult
america
american
and
army
attentively
banner
black
caucasian
concentrated
concentrating
country
duty
five
flag
focused
frowning
glory
male
man
mature
mid
nationalism
old
patriotism
people
protect
serious
serve
soldier
starspangled
stars
stern
stripes
thoughtful
tour
unsmiling
usa
war
young