英文關鍵字
alternate
alternative
blue
business
cells
clean
collector
eco
ecological
ecology
efficiency
efficient
electric
electricity
energy
engineering
environment
environmental
equipment
farm
generation
generator
global
green
industry
innovation
lapse
lighting
meadow
nature
nobody
panel
park
photovoltaic
power
production
recycling
renewable
resources
sky
solar
station
sun
sunlight
supply
sustainable
technology
time
timelapse