浜辺
artificial
blue
bottle
careless
coast
coastal
coastline
contaminate
contamination
dirty
dump
ecological
ecology
environment
garbage
horizontal
industrial
industry
litter
littering
material
nature
object
ocean
packaging
plastic
pollutant
pollution
problem
recycle
recycling
rubbish
sand
sea
seashore
seaside
shore
shoreline
single
stopper
sunlight
toxic
tranquil
trash
ugliness
waste
water