| 单词 | 龙骨瓣 |
| 例句 | DEFINITIVE EXAMPLES 权威例句〔carina〕A keel-shaped ridge or structure, such as that on the breastbone of a bird or of the fused lower two petals of flowers of many members of the pea family.龙骨状突起，龙骨瓣：龙骨状脊或结构，如鸟的突出胸骨或豆科中很多植物的两片下层融合在一起的花瓣的龙骨状结构美国传统〔keel〕A pair of united petals in certain flowers, as those of the pea.龙骨瓣：在某些花（如豌豆花）中的两个相连的花瓣美国传统 |
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