英文關鍵字
background
bag
big
bin
black
bottle
box
can
city
clean
clothes
color
container
dirt
dirty
disposal
dump
dumpster
ecology
environment
environmental
food
foul
full
garbage
global
heap
house
household
industrial
industry
junk
litter
package
paper
people
pile
plastic
pollution
recycle
recycling
road
rubbish
stack
street
town
trash
urban
waste
water