英文關鍵字
bag
beach
bottle
careless
coast
coastline
container
danger
dirty
disaster
dump
ecology
environment
environmental
fishing
fishingnet
full
garbage
garbagedump
horizontal
hygiene
impact
litter
messy
nature
ocean
oceancurrent
plastic
pollute
polluting
pollution
problem
recycle
recycling
river
rubbish
sadness
sand
sea
sewage
shore
spain
summer
toxicsubstance
trash
travel
ugliness
unhygienic
waste
water