英文關鍵字
agricultural
agriculture
blue
bluish
clean
closeup
cornfield
crystal
culture
energy
environment
equipment
farm
farmer
farming
farmland
field
flowing
fresh
green
growing
growth
home
hydroponic
industrial
industry
infrastructure
irrigation
land
landscape
machine
machinery
metal
nature
outdoor
pipe
pipeline
power
pressure
pump
pumps
rice
rural
soil
summer
supply
sweet
technology
tube
tunnel
water
wet