浜辺
black
boom
bottle
boy
care
children
clean
cleaning
cleanup
coast
coastline
community
conservation
dirty
ecology
environment
environmental
garbage
global
green
help
human
learning
nature
ocean
people
person
picking
plastic
pollution
protect
recycle
response
rubbish
sand
sea
seashore
shore
spill
thai
together
tragedy
trash
up
volunteer
waste
water
woman
worker