complementation

汉语翻译

n. 补充, 是...的补充物, 补足
【计】 求补, 补, 补码法, 补数法
【医】 互补作用

英语解释：

名词 complementation:

1. the grammatical relation of a word or phrase to a predicate
2. (linguistics) a distribution of related speech sounds or forms in such a way that they only appear in different contexts
   同义词：complementary distribution