英文關鍵字
agriculture
alligator
animal
autumn
beautiful
bird
blue
cloud
clouds
countryside
crawl
duck
environment
eye
farm
field
grass
grassland
green
growth
hill
horizon
lake
land
landscape
lawn
marsh
meadow
natural
nature
outdoors
pasture
plant
pond
reed
reflection
river
rural
season
sky
spring
summer
sun
swamp
swim
tree
trees
water
wetland
wildlife