英文關鍵字
background
bend
blue
concrete
countryside
dam
dike
district
energy
england
fall
farmland
flood
flow
flowing
hydro
irrigation
lake
landscape
national
natural
nature
overflow
park
peak
plant
power
reservoir
river
rural
scene
spillway
stone
stream
surface
turbulent
wall
water
waterfall
waterway
weir
white