英文關鍵字
bag
beach
bottle
careless
coast
coastline
damage
danger
deadline
dirty
disaster
ecology
environment
environmental
full
garbage
garbagedump
glass
globalwarming
landfill
landscape
litter
messy
nature
ocean
oceancurrent
pile
plastic
pollute
polluting
pollution
problems
recycle
recycling
river
rubbish
sadness
sand
scrap
sea
sewage
shore
toxicsubstance
trash
ugliness
unhygienic
urgency
waste
water
waterpollution