in·tra·mo·lec·u·lar /-məˈlɛkjəlɚ/
  分子內的
  in·tra·mo·lec·u·lar /-məˈlɛkjəlɚ/ 形容詞
  分子內的
  In·tra·mo·lec·u·lar a.
  1. Chem. & Physics Between molecules; situated, or acting, between the molecules of bodies. [Obs.]
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  intramolecular
       adj : within the molecule; occurring by a reaction between
             different parts of the same molecule