英文關鍵字
bag
beach
bottle
coast
coastline
dirt
dirty
disaster
disposal
dump
ecology
environment
environmental
fishingnet
full
garbage
globalwarming
hygiene
litter
messy
nature
ocean
oceancurrent
pile
plastic
pollute
pollution
problem
problems
recycle
recycling
refuse
river
rubbish
sadness
sand
scrap
sea
sewage
shore
summer
tourism
toxicsubstance
trash
travel
tropical
unhygienic
waste
water
wave