英文關鍵字
asia
beach
blue
bottle
breakwater
cigarette
cleanup
coast
coastal
coastline
contamination
crisis
damage
dirty
disaster
discard
dregs
dump
dustbin
ecology
environment
environmental
float
foul
garbage
lake
landfill
landscape
leeching
litter
nature
ocean
plastic
pollute
polluted
pollution
recyclable
recycle
refuse
river
rubbish
sand
sea
shore
toxic
trash
vietnam
waste
water