英文關鍵字
plastic
clean
river
recycle
nature
garbage
environment
waste
ecology
trash
environmental
bottle
recycling
rubbish
volunteer
volunteering
woman
eco
dirty
beach
collecting
ocean
pollution
conservation
summer
outdoor
person
picking
wildlife
sea
mask
marine
park
community
life
ecosystem
man
ecological
water
women
activist
shore
welfare
care
bag
volunteerism
litter
young
lifestyle
help