英文關鍵字
alternative
animation
are
blade
blades
clean
close
cloud
conservation
dawn
ecological
ecology
efficiency
electric
electricity
energy
environment
environmental
environmentally
farm
generate
generation
generator
green
industrial
industry
innovation
landscape
mast
mill
nature
nobody
orange
power
propeller
rendering
renewable
resource
rotate
rotation
silhouette
silhouetted
sky
skyn
sunrise
sunset
supply
sustainability
sustainable
technology
tower
turbine
turbines
wind
windmill