Gēng / xīn / shì / shì / dì / qiú / lì / shǐ / shàng / jīng / lì / duō / cì / bīng / qī / de / yí / gè / shí / qī

更新世是地球历史上经历多次冰期的一个时期。

The Pleistocene was a period in Earth's history that experienced several ice ages.