3 sentences

1. 哀是传说中神农氏后裔的一位炎帝。

   āi shì chuán​shuō zhōng Shén​nóng​shì hòu​yì de yī wèi Yán​dì.

   Ai was a legendary Yan Emperor and a descendant of the Shennong clan.

   Source: Dong Chinese Dictionary

2. 我们在上古神话中读到了炎帝承的故事。

   wǒ​men zài shàng​gǔ shén​huà zhōng dú​dào le Yán​dì Chéng de gù​shi.

   We read the story of Cheng, a descendant of the Yan Emperor, in ancient myths.

   Source: Dong Chinese Dictionary

3. 史书中提到的明是上古时期继神农之后的炎帝。

   shǐ​shū zhōng tí​dào de Míng shì shàng​gǔ shí​qī jì Shén​nóng zhī​hòu de Yán​dì.

   The 'Ming' mentioned in historical records refers to the Yan Emperor, who succeeded Shennong in ancient times.

   Source: Dong Chinese Dictionary