英文關鍵字
asia
background
bag
beach
biodegradable
blue
boat
bottle
coast
coastline
contamination
coral
damage
danger
debris
dirty
disaster
dump
ecology
environment
environmental
fishing
garbage
global
harbour
impact
litter
malaysia
marine
messy
nature
ocean
plastic
pollute
polluted
pollution
problem
recycle
recycling
rubbish
sand
sea
sewage
shore
toxic
trash
underwater
unhygienic
waste
water