Central Africa is suffering one of the worst droughts of the century.中非正遭遇到本世纪最严重的旱灾。There is a danger of the conflict spreading across the whole of Central Africa.冲突有扩大至整个中非的危险。This tiny black fly is the biggest cause of blindness in Central Africa.这种黑色的小苍蝇是中非许多人失明的罪魁祸首。