英文關鍵字
bamboo
beach
bottle
box
causing
cleaning
cleanup
coast
coastline
dirt
dirty
disaster
dropped
dump
ecology
environment
environmental
flows
foam
garbage
glass
industrial
landfill
landscape
litter
marine
messy
nature
ocean
outdoors
paper
plastic
pollute
polluted
pollution
problems
recycle
recycling
river
rubber
sand
sea
sewage
shoe
shore
straws
toxic
trash
unhygienic
waste
water
weed