英文關鍵字
atmosphere
atmospheric
billowing
chemical
chimney
co2
contamination
cranes
damage
dioxide
dirty
ecology
emission
emit
energy
environment
factory
fog
france
fume
fumes
global
hazard
industrial
industry
landscape
manufacturing
orange
ozone
paris
pipe
pipes
poison
polluting
pollution
problem
problems
reflection
sky
smog
smoke
smokestack
smokestacks
smoking
steam
technology
toxic
urban
warming