三化螟 sānhuàmíng yellow stem borer Origin Definitions Defs Strokes Stroke Words Sentences Sents 三 sān numeral three the number three; 3化 huà nounverb to change to change; to transform; to convert螟 míng boring insect (bound form) larva of the snout moth or similar boring insects that damage crops; often refers to the 螟虫 míngchóng