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