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