英文關鍵字
aerial
alternative
amazing
background
beautiful
blade
blue
cloud
conservation
copy
day
development
eco
electricity
energy
engineering
environment
environmental
farm
field
foggy
future
generate
generating
generation
generator
green
industrial
industry
innovation
landscape
meadow
natural
nature
panoramic
plain
power
propeller
renewable
rural
sky
space
sunny
sustainable
technology
turbines
view
white
wind
windmills