英文關鍵字
animal
artificial
back
beak
beauty
bird
brown
color
conservation
cute
duckling
ducks
environmental
feather
female
fountains
front
green
house
lake
landscape
living
made
mallard
meadow
nature
outdoors
park
pond
poultry
relaxation
river
rural
scene
space
springtime
stream
summer
swim
tree
water
wild
wildlife
wing
work
yard
zoo