Read Edit View history 龙骨瓣 lónggǔbàn keel Origin Definitions Defs Strokes Stroke Words Sentences Sents created sense approved 龙骨瓣/龍骨瓣 · lónggǔbàn · keel 2026/03/04 龙骨瓣 / 龍骨瓣 lónggǔbàn keel (botany) carina; keel (of a papilionaceous flower) 这种豆科植物的花冠由旗瓣、翼瓣和龙骨瓣组成。 created sense Mar 4, 2026, 02:25 AM