英文關鍵字
chemical
chimney
climate
cloud
clouds
dark
dirty
emission
energy
environment
exhaust
factory
fuel
fumes
global
industrial
industry
japan
pipe
plant
polluting
pollution
polution
power
smog
smoke
stack
steam
sunset
tower
toxic
warming
white
英文關鍵字
chemical
chimney
climate
cloud
clouds
dark
dirty
emission
energy
environment
exhaust
factory
fuel
fumes
global
industrial
industry
japan
pipe
plant
polluting
pollution
polution
power
smog
smoke
stack
steam
sunset
tower
toxic
warming
white