酿热物 Traditional form: 釀熱物 Pinyin (reading): niàngrèwù Definitions: biological fuel (such as horse dung) Characters: 酿 - to ferment, to brew 热 - heat, fever, zeal 物 - thing, substance, matter; creature Traditional characters: 釀 - to ferment, to brew 熱 - heat, fever, zeal 物 - thing, substance, matter; creature