英文關鍵字
animal
bird
city
duck
february
forest
frost
frozen
ice
january
lake
mallard
nature
ornithology
park
pond
river
water
wildlife
winter
英文關鍵字
animal
bird
city
duck
february
forest
frost
frozen
ice
january
lake
mallard
nature
ornithology
park
pond
river
water
wildlife
winter