英文關鍵字
alternative
background
circling
clean
climate
conservation
electric
electrical
electricity
energy
environment
environmental
equipment
farm
future
generate
generation
generator
green
industry
infinite
innovation
kinetic
landscape
mill
nature
power
production
propeller
renewable
resource
revolution
rotate
rotating
rotation
rotor
rural
sky
spinning
station
sun
supply
sustainability
sustainable
technology
turbine
turning
wind
windmill
windy