英文關鍵字
animal
avian
beautiful
bird
black
blue
calm
cleanliness
conservation
cute
down
duck
elegance
elegant
environment
feathered
feathers
gentle
graceful
haze
lake
mist
natural
nature
one
peace
peaceful
pure
purity
reflection
reflections
river
romance
serene
serenity
simple
single
soft
swan
swim
symbol
tranquil
tranquility
water
waterfowl
white
wild
wildlife
winged
young