英文關鍵字
alternative
beige
blade
blue
business
change
clean
climate
cloud
conservation
destroy
earth
electric
electricity
energy
environment
environmental
farm
field
future
generate
generation
generator
global
green
industrial
industry
israel
landscape
mill
nature
pollution
power
propeller
recycling
renewable
resources
rotate
rotation
sky
supply
sustainability
sustainable
technology
turbine
up
warming
white
wind
windmill