英文關鍵字
abandoned
agriculture
alternative
background
blade
blue
clean
conservation
dark
ecological
ecology
efficiency
electric
electrical
electricity
energy
environment
environmental
evening
farm
field
generate
generator
green
industrial
industry
landscape
nature
outdoors
photovoltaic
plant
power
production
propeller
renewable
rotate
rotation
side
silhouette
sky
sustainable
technology
turbine
wheel
wind
windmill