英文關鍵字
one
small
portable
photovoltaic
solar
panel
battery
installed
black
consume
energy
distance
sunset
rays
sunlight
ecological
outdoors
hiking
camping
located
fixed
grass
nature
distant
blank
isolated
standing
ground
warm
collector
save
energetic
adventure
sunny
lifestyle
efficient
background
perspective
field
industry
remote
relaxation
module
wilderness