2 sentences

1. 人造卫星环绕地球飞行。

   rén​zào wèi​xīng huán​rào dì​qiú fēi​xíng.

   Artificial satellites orbit the Earth.

   Source: Dong Chinese Dictionary

2. 这颗卫星正在绕地球轨道运行。

   zhè kē wèi​xīng zhèng​zài rào dì​qiú guǐ​dào yùn​xíng.

   This satellite is orbiting the Earth.

   Source: Dong Chinese Dictionary