英文關鍵字
backdrop
background
blue
branch
bright
burning
carbon
chimney
cold
comfort
comfortable
coming
cosiness
cottage
damage
day
dioxide
dreams
energy
environment
environmental
family
fire
flame
forest
fumes
global
heat
house
industry
leafless
monoxide
nature
nobody
out
pollution
residential
roof
silver
sky
smog
smoke
smoking
stack
stainless
steam
steel
stove
tree
vapor
warm
warming
white
winter