Over the past 50 years,230 million illiterates have been taught to read and write,the illiteracy rate has decreased from 80 percent of the total population to 14.5 percent; adult illiteracy rate has decreased to below 5.5 percent.是什么意思_Over the past 50 years,230 million illiterates have been taught to read and write,the illiteracy rate has decreased from 80 percent of the total population to 14.5 percent; adult illiteracy rate has decreased to below 5.5 percent.在线翻译_英语_读音_用法_例句