英文關鍵字
agrarian
agricultural
agriculture
aqueduct
canal
canalization
channel
conduit
country
course
cultivation
ditch
down
drainage
duct
farming
farmland
flood
flooding
flow
flowing
fresh
gutter
hydrate
irrigate
irrigation
liquid
management
moisture
pumping
resource
running
rural
rustic
spatter
splash
spray
stream
wash
water
watercourse
waterway
wet