英文關鍵字
bag
bathrobe
beach
blue
bottle
charity
clean
cleaning
collect
community
dirty
ecology
environment
environmental
female
garbage
girl
gloves
grass
hand
nature
organization
outdoor
outdoors
participation
people
person
picking
plastic
pollution
recycling
rubbish
sand
sea
spring
sunset
trash
trees
voluntary
volunteer
volunteering
waste
water
woman
women
work
young