英文關鍵字
air
apus
away
centrala
cer
cet
chill
chimney
co2
combinat
compound
environment
far
fum
green
horizon
industry
plant
pollute
pollution
poluare
quiet
rafinarie
refinery
seen
silent
sky
smoke
smoking
steam
sunset
thermal
thermic
working
英文關鍵字
air
apus
away
centrala
cer
cet
chill
chimney
co2
combinat
compound
environment
far
fum
green
horizon
industry
plant
pollute
pollution
poluare
quiet
rafinarie
refinery
seen
silent
sky
smoke
smoking
steam
sunset
thermal
thermic
working