Please study which of the endemic diseases in your province or region can be basically wiped out within seven years, which will take longer, and which cannot be wiped out under present conditions.是什么意思_Please study which of the endemic diseases in your province or region can be basically wiped out within seven years, which will take longer, and which cannot be wiped out under present conditions.在线翻译_英语_读音_用法_例句