英文關鍵字
america
american
ancient
animals
arizona
arrows
attack
broken
cart
carts
chords
colonist
colonists
complain
complaining
cowboy
cross
danger
dark
desert
emigration
exploration
explore
feather
field
guitar
impact
indian
indians
landscape
leaning
life
monument
music
nailed
native
navajo
new
old
pioneer
quakers
reservation
retro
rocks
ropes
sad
sadness
seem
several
sound
spear
stagecoach
train
usa
utah
valley
wagon
water
west
western
wheel
whose
wich
wood
wreck