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1. Oxford American Dictionary

   double helix

   • IPA[ˈdəbəl ˈhēliks]

   美式

   • n.
     a pair of parallel helices intertwined about a common axis, especially that in the structure of the DNA molecule.

   • noun: double helix, plural noun: double helices

2. • 更多解釋

   double helix

   英式

   • n.
     a pair of parallel helices intertwined about a common axis, especially that in the structure of ...

   Oxford Dictionary