这部纪录片介绍了人类如何利用卫星观察地球气候变化。

Zhè bù jìlùpiàn jièshào le rénlèi rúhé lìyòng wèixīng guānchá dìqiú qìhòu biànhuà.

This documentary explains how humans use satellites to observe changes in the Earth’s climate.

现在很多手机都可以通过卫星导航来确定位置。

Xiànzài hěn duō shǒujī dōu kěyǐ tōngguò wèixīng dǎoháng lái quèdìng wèizhì.

Nowadays many mobile phones can determine their location through satellite navigation.

今晚的新闻说，又有一颗新卫星成功发射升空。

Jīnwǎn de xīnwén shuō, yòu yǒu yì kē xīn wèixīng chénggōng fāshè shēngkōng.

Tonight’s news said that another new satellite was successfully launched.