英文關鍵字
africa
african
aids
boy
boys
candid
change
child
children
cholera
clean
climate
crisis
disease
drinking
earth
ethiopia
ethnic
ethnicity
female
females
freshwater
girl
girls
global
health
healthcare
healthy
help
hiv
hospital
life
malaria
mali
poor
poverty
problem
save
sick
sickness
soudan
symbol
tap
thirst
thirsty
village
warming
water