英文關鍵字
4th
adult
america
american
background
bearded
cap
caucasian
celebration
christian
citizenship
clothes
country
day
democracy
dream
elderly
festive
flag
formal
fourth
freedom
fun
gray
happy
holiday
independence
liberty
male
man
mature
middleaged
national
nature
patriotic
pensioner
person
politician
portrait
pray
prayer
president
pride
stars
states
stripes
united
usa