英文關鍵字
animal
background
beak
beautiful
beauty
bird
birds
bread
brown
close
colorful
cute
drake
duck
ducks
eat
eatn
family
feather
feed
feeding
female
float
food
green
group
hungry
lake
male
mallard
natural
nature
outdoor
outdoors
park
pick
pigeon
pond
return
river
sea
shore
spring
summer
swim
swimming
they
threw
water
waterfowl
white
wild
wildlife
wing
wings
yellow
young