antherozoid
  游動精子; 游動精子
  An·ther·o·zoid An·ther·o·zoo·id n.  Bot. One of the mobile male reproductive bodies in the antheridia of cryptogams.
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  antherozoid
       n : a motile male gamete of a plant such as an alga or fern or
           gymnosperm [syn: spermatozoid]