Zoology and Palaeontology. Of a part of the body, esp. that of a bird: naturally filled with air; containing air-filled cavities.
单词 | θ31240 |
释义 | the world > animals > animal body > general parts > [adjective] > containing air-cavities (1) pneumatic1763 Zoology and Palaeontology. Of a part of the body, esp. that of a bird: naturally filled with air; containing air-filled cavities. |
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