KEEL - main structural tube that runs along sail at center chord of wing.

龙骨—沿翼帆中心弦延伸的那根主结构管。

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Photosynthesis of flower organs was also measured. Stomata were on the surface of sepal , vexilla, keel, anther, gynophore, ovary, and style but not wing or filaments.

结果发现：除了翼瓣和花丝表皮以外，气孔均分布在花朵的其它器官表皮上， 如花萼、旗瓣、龙骨瓣、雌蕊托、子房、花柱和花药。

youdao

Photosynthesis of flower organs was also measured. Stomata were on the surface of sepal, vexilla, keel, anther, gynophore, ovary, and style but not wing or filaments.

结果发现： 除了翼瓣和花丝表皮以外， 气孔均分布在花朵的其它器官表皮上， 如花萼、旗瓣、龙骨瓣、雌蕊托、子房、花柱和花药。

youdao