英文關鍵字
animal
animals
beak
beautiful
beauty
bird
birds
cygnus
duck
ducks
elegance
elegant
fauna
feather
feathers
film
grace
graceful
grain
lake
love
morning
mute
natural
nature
neck
peaceful
pond
reflection
river
romantic
swan
swans
swim
swimming
swims
symbol
the
trumpeter
water
waterfowl
white
whooper
wild
wildlife
wing