英文關鍵字
africa
african
aids
beautiful
boy
boys
change
child
children
clean
climate
disease
drink
drinking
education
female
females
freshwater
future
girl
girls
hands
health
healthy
help
hiv
human
justice
kid
kids
life
malaria
poor
poverty
rights
save
schoolgirl
sick
smile
smiling
social
tradition
two
water
women