英文關鍵字
alternative
blade
blue
bright
clean
climate
close
conservation
eco
ecological
ecology
efficiency
efficient
electric
electrical
electricity
energy
environment
environmental
equipment
farm
front
generating
generation
generator
gererator
green
industrial
industry
innovation
power
renewable
resource
rotation
row
sky
source
spin
spinner
sunlight
sunny
sustainability
sustainable
technology
tower
turbine
view
white
wind
windmill
yellow