单词 | ichthyopterygium |
释义 | ichthyopterygiumnoun ich·thy·op·te·ryg·i·um -jēəm plural ichthyopterygia -jēə : the vertebrate limb when having the form of a fin whether as a definitive organ or in the course of individual or evolutionary development especially : any of the paired fins that are the typical limbs of fishes compare chiropterygium |
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