英文關鍵字
alternative
animated
background
blade
chroma
clean
concept
eco
ecological
ecology
electricity
energy
environment
fan
flat
generation
generator
green
icon
illustration
industry
isolated
key
looped
motion
move
object
plant
power
propeller
renewable
rotate
rotation
sign
source
spin
spinning
sustainable
symbol
technology
tower
turbine
turn
vane
video
wind
windmill
yellow