英文關鍵字
animal
baby
backgrounds
beak
beauty
bird
blue
brightly
brown
clean
cleaning
color
colored
duck
farm
feather
foot
green
lake
locations
male
mallard
multi
nature
north
ornamental
outdoors
park
pattern
people
pets
pond
poultry
river
season
sequence
shoveller
small
standing
stone
summer
swimming
travel
washing
water
wave
wild
wildlife
wing