英文關鍵字
bag
beach
bottle
careless
cleanup
coast
coastline
concept
contamination
damage
danger
destruction
dirt
dirty
disaster
dump
ecology
environment
environmental
fishing
garbage
landfill
landscape
litter
messy
natural
nature
net
ocean
outdoors
plastic
pollute
polluted
pollution
problem
recycle
recycling
rubbish
sand
sea
seascape
sewage
shore
toxic
trash
trashy
unhygienic
waste
water