英文關鍵字
bin
bottle
cardboard
caring
child
childhood
clean
collect
collection
conservation
consumer
container
disposable
dispose
disposed
dump
eco
ecological
ecology
education
environment
environmental
environmentally
garbage
green
group
healthy
junk
kid
little
material
paper
plastic
pollution
protect
protection
recyclable
recycle
recycling
refuse
reuse
rubbish
save
separate
separation
throw
trash
waste
woman
young