By the end of 1999,the illiteracy rate of adult women was 21.6 percent,and the illiteracy rate of women between 15 and 45 years old was 7.2 percent.是什么意思_By the end of 1999,the illiteracy rate of adult women was 21.6 percent,and the illiteracy rate of women between 15 and 45 years old was 7.2 percent.在线翻译_英语_读音_用法_例句