3 sentences

1. 山顶上有一座香火很旺的尼姑庵。

   shān​dǐng shàng yǒu yī zuò xiāng​huǒ hěn wàng de ní​gū ān.

   There is a popular nunnery at the top of the mountain.

   Source: Dong Chinese Dictionary

2. 山顶上有一座古老的寺庙，香火非常旺盛。

   shān​dǐng shàng yǒu yī zuò gǔ​lǎo de sì​miào, xiāng​huǒ fēi​cháng wàng​shèng.

   There is an ancient temple at the top of the mountain that attracts many worshippers.

   Source: Dong Chinese Dictionary

3. 如果这一代没有后代，他们家的香火就断了。

   rú​guǒ zhè yī dài méi​yǒu hòu​dài, tā​men jiā de xiāng​huǒ jiù duàn le.

   If this generation has no offspring, their family lineage will be cut off.

   Source: Dong Chinese Dictionary