sper·ma·to·zo·id /-ˈzoəd/
 游動精子


 Sper·ma·to·zo·id n.  Biol. The male germ cell in animals and plants, the essential element in fertilization; a microscopic animalcule-like particle, usually provided with one or more cilia by which it is capable of active motion. In animals, the familiar type is that of a small, more or less ovoid head, with a delicate threadlike cilium, or tail. Called also spermatozoon. In plants the more usual term is antherozoid.

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 spermatozoid
      n : a motile male gamete of a plant such as an alga or fern or
          gymnosperm [syn: antherozoid]