英文關鍵字
adorable
affection
animal
animals
baby
background
bathes
beak
beautiful
bird
birds
breed
brown
clean
close
coast
country
crab
cubs
cute
dives
duck
duckling
ducks
ecology
education
feather
feathers
field
flapping
goose
grebe
ground
habits
his
instincts
lake
landscape
love
mallard
narrow
natural
nature
obedience
ornithology
outdoor
pond
river
sand
shell
spring
summer
swim
swimming
tenderness
tourism
travel
tropical
water
waterfowl
white
wild
wildlife
wings
young