The birth rate continued to decline,from 13 per 1000 in 1987 to nine per 1000 in 1997,while the death rate remained at about five per 1000.是什么意思_The birth rate continued to decline,from 13 per 1000 in 1987 to nine per 1000 in 1997,while the death rate remained at about five per 1000.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句