“Protodonata”的概念、定义、翻译、参考文献-科学参考

单词	Protodonata
释义	Protodonata [¦prōd·ō·dǝ`näd·ǝ] ^PALEONTOLOGY An extinct order of huge dragonflylike insects found in Permian rocks.
随便看	highway highway engineering H II region Hikojima serotype hilac Hilbert cube Hilbert parallelotope Hilbert-Schmidt theory Hilbert space Hilbert's theorem Hilbert transform Hilda group Hildebrand function hilgardite HiLinear system hill hill-and-dale recording hill bandwidth hill-climbing hill creep hillebrandite hillock Hill plot Hill reaction hill shading

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