英文關鍵字
alternative
blade
blue
clean
clouds
cloudy
ecology
electric
electricity
energy
environment
expensive
farm
generation
generator
green
growth
high
hill
industrial
industry
information
iran
landscape
mill
modern
motion
nature
power
renewable
rotor
science
sky
sustainable
tech
technology
tower
turbine
unreliable
wind
windmills
windy