英文關鍵字
agriculture
alternative
blue
conservation
cyprus
day
development
ecological
ecology
electric
electrical
electricity
energy
environment
environmental
equipment
field
force
future
generate
generation
generator
grass
green
hill
industrial
industry
innovation
landscape
meadow
mill
natural
nature
plant
pollution
power
production
propeller
renewable
resource
rotate
rotation
sky
spin
supply
technology
turbine
wind
windmill