英文關鍵字
agriculture
blue
building
canola
coal
ecology
energy
field
green
industrial
industry
landscape
nature
plant
pollution
power
rapeseed
smoke
spring
station
yellow
英文關鍵字
agriculture
blue
building
canola
coal
ecology
energy
field
green
industrial
industry
landscape
nature
plant
pollution
power
rapeseed
smoke
spring
station
yellow