“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	nonprobabilistic sampling nonprocedural language nonproductive cough nonproductive infection nonpropagating soliton nonprotein nitrogen nonprotic solvent nonpsychotic organic brain syndrome nonquantum mechanics nonradioactive reaction nonreactive nonreactive load nonreclosing pressure relief device nonrecording rain gage nonrecoverable error nonrecurring issue nonredundant system nonrelativistic approximation methacrylate ester methacrylic acid methacrylic polymer methacrylonitrile methadone methallyl alcohol methanal

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