The prenatal factors accounted for 33.33%, natal factors 19.17%, postnatal factors 28.75%, the unknown factors 18.75%.是什么意思_The prenatal factors accounted for 33.33%, natal factors 19.17%, postnatal factors 28.75%, the unknown factors 18.75%.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句