英文關鍵字
aquatic
atlantic
beach
bottle
campaign
chemical
clean
cleaning
cleanup
coast
coastline
contamination
damage
danger
destroy
disaster
drinking
ecological
ecology
empty
environment
garbage
global
hazard
litter
marine
nature
ocean
outdoor
plastic
polluted
pollution
problem
recyclable
recycle
river
rubbish
sand
sea
seaside
summer
tourism
toxic
trash
vacation
waste
water