Read Edit View history 便函 biànhán informal letter Origin Definitions Defs Strokes Stroke Words Sentences Sents created sense approved 便函 · biànhán · informal letter 2026/03/04 便函 biànhán informal letter an informal letter or memorandum sent by an organization 请以单位名义发一份便函说明情况。 noun created sense Mar 4, 2026, 02:25 AM