英文關鍵字
river
plastic
environment
pollution
garbage
nature
beach
dirty
recycle
recycling
waste
ecology
water
bottle
litter
trash
ocean
ecosystem
rubbish
life
shore
lake
bag
sewage
sea
dump
background
polluted
英文關鍵字
river
plastic
environment
pollution
garbage
nature
beach
dirty
recycle
recycling
waste
ecology
water
bottle
litter
trash
ocean
ecosystem
rubbish
life
shore
lake
bag
sewage
sea
dump
background
polluted