英文關鍵字
alternative
animation
black
blue
build
building
business
businessman
charge
clear
concept
construct
create
dark
ecology
electric
electricity
energy
environment
field
generate
generation
generator
grass
green
grow
hand
hold
make
man
nature
night
panel
plant
power
produce
recycle
renewable
sky
solar
solarpanel
sun
symbol
take
technology
turbines
voltage
white
work
working