英文關鍵字
agricultural
agriculture
agronomy
background
beautiful
blue
bright
cloud
clouds
country
countryside
crop
crops
ecology
environment
farm
farming
farmland
field
grow
growing
growth
horizon
land
landscape
light
maize
morning
natural
nature
organic
outdoor
plant
rural
scene
scenic
season
shine
sky
summer
summertime
sun
sunbeam
sunlight
sunny
sunrise
sunshine
view
white