英文關鍵字
affection
anatidae
animal
aquatic
beak
beautiful
beauty
bird
black
christmas
cold
couple
cygnet
day
devotion
eat
eve
faithfulness
fauna
feather
footsteps
fowl
friendship
frozen
funny
goose
happy
ice
lake
love
migrating
migratory
nature
necked
netherlands
outdoors
pond
poultry
reflection
season
snow
swan
swimming
together
water
white
wild
wildlife
winter