gastraea

gastraea 的中文释义

• n.

  原肠动物

gastraea 的英文释义

• n.

  A primeval larval form; a double-walled sac from which,

• according to the hypothesis of Haeckel, man and all other animals, that

• in the first stages of their individual evolution pass through a

• two-layered structural stage, or gastrula form, must have descended.

• This idea constitutes the Gastraea theory of Haeckel. See Gastrula.

gastraea 的词形变化

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相关单词