英文關鍵字
animal
beautiful
beauty
bill
bird
calm
cygnus
duck
elegance
elegant
family
fauna
feather
friendship
grace
green
herbivorous
lake
leg
lovely
nature
neck
outdoor
park
peace
peaceful
pond
pure
red
reflection
relax
romance
serene
swan
swim
three
tranquil
water
white
wild
wildlife
zoo