“Arachnida”的概念、定义、翻译、参考文献-科学参考

单词	Arachnida
释义	Arachnida [ǝ`rak·nǝd·ǝ] ^{INVERTEBRATE ZOOLOGY} A class of arthropods in the subphylum Chelicerata characterized by four pairs of thoracic appendages.
随便看	octet rule octillion Octocorallia octode octoid octomethylene octonary signaling octonions octopamine Octopoda Octopodidae octopus octupole octyl- octyl alcohol octyl aldehyde octyl formate octyl phenol octyne ocuba wax ocular miarolitic MIBC MIC mica

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