英文關鍵字
bird
duck
duckling
winter
nature
water
swims
animal
dives
lake
river
feather
pond
alone
cold
gray
outdoor
ice
little
beautiful
frozen
day
snow
reflection
frost
swimming
waterfront
white
melt
small
scenic
baby
freeze
goose
scenery
crack
one
float
purity
peaceful
rippled
funny
stream
neck
severe
cloudy