英文關鍵字
energy
generator
renewable
technology
ecology
electric
electricity
farm
ecological
environment
alternative
eco
turbine
power
nature
industry
environmental
field
industrial
innovation
landscape
propeller
mill
sky
sun
sunset
clean
aerial
turbines
sustainable
future
green
wind
windmill
auto
rotation
transportation
motion
view
transport
highway
automotive
generate
generation