complementation [ˌkɑ:mplɪmenˈteɪʃn]

例句:

• By using the complementation test an unknown mutant can be rapidly assigned to a particular gene.
  采用互补测验可迅速地将某一未知突变型归属于某一特定基因.
  
• The absence of complementation suggests that they are in the same gene.
  凡是没有互补作用的,就说明它们属于同一基因.
  
• This hereditary unit comprises a single complementation group, or in other words a single gene.
  这个遗传单位由一个互补群, 也就是一个基因所组成.