英文關鍵字
adult
and
bag
beverage
blue
bottle
bottles
clean
compresses
conservation
container
crushed
day
discarded
drink
dropped
ecological
ecology
empty
environment
environmental
forest
garbage
global
ground
junk
liquid
male
man
material
nature
onto
picking
plastic
pollution
product
recycle
recycled
recycling
rubbish
summer
the
transparent
trash
used
utilization
warming
waste
water
with