1. 白天变长了，黑夜变短了。

[ bái tiān biàn cháng le ， hēi yè biàn duǎn le 。 ]

The days get longer and the nights get shorter.

2. 我有两只猫，一只是白猫，另一只是黑猫。

[ wǒ yǒu liǎng zhǐ māo ， yī zhǐ shì bái māo ， lìng yī zhǐ shì hēi māo 。 ]

I have two cats. One is white, the other is black.