英文關鍵字
alaska
america
animal
bear
brown
clamming
clams
clark
coast
coastal
cook
creek
dig
digging
eating
feed
feeding
female
flat
inlet
lake
mammal
mud
mudflat
national
nature
park
salmon
silver
states
united
usa
wildlife
英文關鍵字
alaska
america
animal
bear
brown
clamming
clams
clark
coast
coastal
cook
creek
dig
digging
eating
feed
feeding
female
flat
inlet
lake
mammal
mud
mudflat
national
nature
park
salmon
silver
states
united
usa
wildlife