polyvalent  
adjective uk/ˌpɒl.iˈveɪ.lənt/ us/ˌpɑː.liˈveɪ.lənt/
  (CHEMISTRY)      
  chemistry specialized(原子或分子)多价的 
used to refer to atoms or molecules that have a valency of three or more
  When the metal is polyvalent it may be attached to another group. 当金属是多价金属时,它可能与另一个基团相连。 
 - More examples
 - Each polyvalent atom in a molecule does not necessarily act on the maximum number of other atoms.
 - The number of monovalent atoms which can enter into combination corresponds to the valency of the polyvalent atom.
 - The hydrogen atom oscillates between two polyvalent atoms linked together.
 
  (MANY FORMS)      
 formal多形式的;多元的 
having or using a lot of different forms or features
  He emphasized the polyvalent character of the images in the art. 他强调了艺术形象的多元性。 
 Their education is polyvalent rather than specialized. 他们所受的教育是多元的,而不是专门化的。 
 - More examples
 - French engineers are more polyvalent than American engineers.
 - The worshippers are often polyvalent, commingling Buddhist, Taoist and Confucian worship.
 - In all my films, I try to be as polyvalent as possible.