Read Edit View history 扩展名 kuòzhǎnmíng file extension Origin Definitions Defs Strokes Stroke Words Sentences Sents Senses Add sense 扩展名/ 擴展名 kuòzhǎnmíng file extension (file) extension (computing) 这个文件的扩展名是 .txt。 Edit Delete References Add reference No references for this word.