英文關鍵字
aquatic
background
beach
biology
bottle
cleanup
contamination
damage
debris
dirty
discarded
dump
ecological
ecology
ecosystem
environment
environmental
floating
garbage
glass
issues
marine
nature
ocean
plastic
polluted
pollution
polypropylene
pond
preservation
problem
protection
recycle
recycling
reusing
river
rubbish
sea
surface
swim
toxic
trash
ukraine
water