英语词汇“first species”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	first species
释义	first species first species [′fərst ′spē‚shēz] (mathematics) The class of sets G₀ such that one of the sets G_nis the null set, where, in general, G_nis the derived set of G_n-1.
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英语词典包含2567994条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。