英文關鍵字
aerial
atmosphere
bionomics
boxes
breach
cardboard
contamination
contravention
defilement
disturbance
dregs
dump
ecology
environment
glass
global
impurity
industrial
infringement
litter
manufactured
melee
motion
offal
offense
pollute
pollution
polyethylene
polythene
putrefy
refuse
road
rubber
rubbish
scramble
scrimmage
scum
selfwilled
slow
sweepings
trash
unauthorized
violation
violations
warming
waste
weed