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Nectosac

资料来源 : Webster's Revised Unabridged Dictionary (1913)

Nectosac \Nec"to*sac\, Nectosack \Nec"to*sack\, n. [Gr. ?
   swimming + E. sac, sack.] (Zo["o]l.)
   The cavity of a nectocalyx.
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