英文關鍵字
animal
area
bird
birds
dove
duck
ducks
eye
fail
feather
feed
flock
free
freedom
garden
gliding
graceful
grass
green
gull
liberty
life
moving
nature
outdoor
park
peace
plant
predator
rural
scene
stretch
swam
swan
swans
toss
trees
village
white
wild
wing
wings