英文關鍵字
middle
woods
listening
birds
chirping
located
farm
state
iowa
life
trees
land
bird
video
missouri
valley
tree
summer
sunlight
daytime
walk
watching
英文關鍵字
middle
woods
listening
birds
chirping
located
farm
state
iowa
life
trees
land
bird
video
missouri
valley
tree
summer
sunlight
daytime
walk
watching