生态环境的变迁令很多动物失去家所。

Shēngtài huánjìng de biànqiān lìng hěnduō dòngwù shīqù jiāsuǒ.

Changes in the ecosystem have caused many animals to lose their habitats.

随着时代的变迁，社会变得越来越进步。

Suízhe shídài de biànqiān, shèhuì biàn de yuèláiyuè jìnbù.

As times change, society becomes more and more progressive.

博物馆里的展品展示了中国时代的变迁。

Bówùguǎn lǐ de zhǎnpǐn zhǎnshì le Zhōngguó shídài de biànqiān.

The museum exhibits show how China has changed over time.