英文關鍵字
clean
sweep
rubbish
bottle
volunteer
plastic
waste
pollution
garbage
environment
trash
outdoor
nature
ecology
care
recycling
dirty
hand
recycle
bag
picking
litter
man
lifestyle
people
eco
collecting
earth
young
up
collect
cleanup
volunteering
day
pick
students
human
global
help
save
responsibility
outdoors
community
teenager
teen
boy
indonesian