Meanwhile,the average life expectancy of minority peoples has been prolonged from less than 30 years before 1949 to the current 65 years.是什么意思_Meanwhile,the average life expectancy of minority peoples has been prolonged from less than 30 years before 1949 to the current 65 years.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句