Read Edit View history 棱台 léngtái frustum Origin Definitions Defs Strokes Stroke Words Sentences Sents created sense approved 棱台/稜臺 · léngtái · frustum 2026/03/04 棱台 / 稜臺 léngtái frustum a frustum of a pyramid or a truncated pyramid 老师在黑板上画了一个正四棱台。 noun created sense Mar 4, 2026, 02:25 AM