英文關鍵字
coast
garbage
volunteer
ocean
ecology
bag
environment
pollution
shore
problem
disaster
day
help
clean
glove
water
legs
feet
protection
nature
beach
waste
trash
concept
global
plastic
landscape
volunteering
plastics
litter
eco
coastline
surf
marine
tide
woman
earth
dump
storm
ecological
outdoor
dirty
danger
lifestyle
contamination