英文關鍵字
animal
animals
away
background
bank
beautiful
behavior
bird
birds
bread
city
cold
distance
duck
duckling
ducks
each
eat
embankment
emotion
environment
family
fast
feather
feeding
female
find
flight
floating
food
freedom
funny
global
group
happiness
horizontal
humor
lake
male
moving
nature
other
outside
park
people
pond
recreation
reflection
river
run
scenery
shine
stream
summer
sunny
surfing
swim
water
waterfowl
wave
white
wild
wildlife
wing
youth