英文關鍵字
activist
altruism
bag
beach
bottle
care
caucasian
charity
community
donation
eco
ecology
environment
family
female
friends
garbage
girl
gloves
going
group
happy
help
holding
junk
male
man
nature
outdoor
outside
package
participation
people
plastic
pollution
recycle
recycling
rubbish
smiling
social
summer
summertime
team
teamwork
together
trash
volunteer
walking
waste
woman