1 sentence

1. 水星的旋转速度比地球慢得多，其自转周期约为58个地球日。

   shuǐ​xīng de xuán​zhuǎn sù​dù bǐ dì​qiú màn de duō, qí zì​zhuàn zhōu​qī yuē wéi58 ge dì​qiú rì.

   Mercury spins much more slowly than the Earth, with its day lasting about 58 Earth days.

   Source: CCMatrix