英文關鍵字
alternate
alternative
battery
blue
cell
charge
clean
cloud
cold
conservation
eco
ecological
ecology
electric
electrical
electricity
energy
engineering
environment
environmental
equipment
generate
generation
green
industrial
industry
innovation
modern
module
nature
panel
panels
power
production
renewable
saint
season
sky
snow
solar
source
station
sustainability
sustainable
system
technology
watts
winter