英文關鍵字
blade
alternative
electricity
source
windmill
large
rotate
sky
dense
grey
cloud
new
wind
farm
low
angle
shot
contemporary
energy
sustainable
generator
power
generation
turbine
nature
environment
renewable
ecological
resource
electric
sustainability
mill
windfarm
ecology
development
industrial
industry
technology
landscape
system
windturbine
conservation
eco
generate
propeller