noun · the state of a temple being popular or attracting many worshippers

这座古庙虽然地处深山，但香火却非常鼎盛。

noun · descendants who continue the family line and the practice of ancestor worship

在传统观念中，生儿子是为了延续家里的香火。

noun · incense or joss sticks burned as a religious offering to deities or ancestors

老太太每天早晨都会在神像前点燃香火。