英文關鍵字
acrid
alarm
ash
background
black
burn
burning
burnt
clouds
combustion
contaminate
damage
danger
defilement
dirty
dump
ecology
environment
environmental
fire
flame
forbidden
foul
fuel
fumes
garbage
global
hazard
ignorance
illegal
incineration
landfill
litter
messy
nature
norms
paper
pollution
prohibited
puffs
punishable
recycling
refuse
rubbish
smoke
stench
stinking
the
toxic
trash
video
violation
warming
waste
wild