英文關鍵字
activist
activity
bag
bottle
care
clean
cleaning
cleanliness
cleanup
close
closeup
collect
community
conservation
eco
ecology
environment
environmental
fixed
garbage
grass
green
hands
health
help
helpful
human
litter
male
man
nature
order
park
person
pick
picking
plastic
pollution
real
recycle
rubbish
stationary
tidy
time
trash
volunteer
volunteering
waste
work