英文關鍵字
background
bag
beach
bottle
city
coast
container
contaminated
contamination
damage
danger
dirt
dirty
disaster
dump
dumping
ecology
environment
environmental
floating
garbage
green
industrial
industry
junk
lake
landfill
messy
nature
ocean
oil
pile
plant
plastic
pollute
polluted
pollution
problem
recycle
recycling
river
rubbish
sea
sewage
smell
summer
trash
unhygienic
waste
water