世卫组织说，最大的医疗问题包括急性呼吸道感染、痢疾、皮肤感染和疟疾。
The UN health agency says the biggest medical problems include acute respiratory infections, diarrheal diseases, skin infections and malaria.
世卫组织说，最大的医疗问题包括急性呼吸道感染、痢疾、皮肤感染和疟疾。
The UN health agency says the biggest medical problems include acute respiratory infections, diarrheal diseases, skin infections and malaria.
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