英文關鍵字
along
among
bin
bottle
care
child
children
clogging
colorful
consciousness
contamination
contemplating
dangerous
destruction
disaster
dispose
dump
earth
eco
ecologic
ecological
ecology
environment
environmental
garbage
girl
green
industry
junk
litter
littering
plastic
polluted
pollution
problem
progress
recycle
recycling
responsibility
save
separately
think
threat
trash
waste