英文關鍵字
africa
african
black
boy
boys
candid
care
child
childhood
children
clean
cleaning
countries
culture
danger
developing
drink
drinking
earth
ethiopia
ethnic
ethnicity
faucet
girl
girls
happiness
happy
healthcare
joy
joyful
kid
kids
mali
poor
poverty
problem
pupil
pupils
schoolgirl
sickness
soudan
student
symbol
tap
two
wash
washing
water
well
women
young