榆火 yúhuǒ elm-wood fire Definitions Defs Origin Strokes Stroke Words Sentences Sents 榆火 yúhuǒ elm-wood fire Fire produced by drilling or rubbing pieces of elm wood together, used in ancient times specifically during the spring season.
榆火 yúhuǒ elm-wood fire Fire produced by drilling or rubbing pieces of elm wood together, used in ancient times specifically during the spring season.
