英文關鍵字
animal
beak
beautiful
beauty
bird
blue
clean
couple
day
elegance
feather
floating
food
grace
graceful
lake
love
motion
natural
nature
neck
outdoor
outdoors
peace
peaceful
pond
purity
reflected
reflection
river
romance
scene
sea
shore
slow
summer
swan
swim
swimming
tranquil
water
wave
white
wild
wildlife
wing