4 sentences

1. 为什么冰河时代会发生？

   wèi​shén​me bīng​hé​shí​dài huì fā​shēng?

   Why did the Ice Age occur?

   Source: CCMatrix

2. 挪威经历了许多冰河时代。

   nuó​wēi jīng​lì le xǔ​duō bīng​hé​shí​dài.

   Norway has experienced many ice ages.

   Source: CCMatrix

3. 冰河时代之后，几乎所有这些植物都灭绝了。

   bīng​hé​shí​dài zhī​hòu, jī​hū suǒ​yǒu zhè​xiē zhí​wù dōu miè​jué le.

   After the ice age, almost all of these plants became extinct.

   Source: CCMatrix

4. 在上一个冰河时代，人们穿越连接亚洲和北美的古老陆桥。

   zài shàng​yī​ge bīng​hé​shí​dài, rén​men chuān​yuè lián​jiē yà​zhōu hé běi​měi de gǔ​lǎo lù​qiáo.

   During the last ice age, people journeyed across the ancient land bridge connecting Asia to North America.

   Source: CCMatrix