英文關鍵字
alternative
blades
clouds
corn
ecology
efficiency
electric
electricity
energy
environment
environmental
farm
field
generate
generating
generation
generator
green
industrial
industry
innovation
meadow
natural
nature
panning
plant
power
production
propeller
renewable
resource
rotate
rotation
sky
source
station
sustainability
sustainable
technology
tower
turbine
wind
windfarm