英文關鍵字
bag
beach
bottle
bottles
branch
cleans
cleanup
collection
contamination
damage
danger
destruction
dirt
dirty
dump
ecology
environment
environmental
floating
floats
flutters
garbage
ground
hand
hangs
landscape
natural
nature
ocean
other
plastic
plastics
pollute
polluted
pollution
protection
recycle
recycling
rubbish
sea
toxic
trash
waste
wat
water
wind