名詞 complementary:

1. either one of two chromatic colors that when mixed together give white (in the case of lights) or grey (in the case of pigments)
   同義詞：complementary color

形容詞 complementary:

1. of words or propositions so related that each is the negation of the other
2. acting as or providing a complement (something that completes the whole)
   同義詞：complemental, completing

1. His personality is complementary to hers.
   他的個性與她的相反相成，

com.ple.men.ta.ry

adj.（形容詞）
Forming or serving as a complement; completing.
補充的：成為或作為補充物的；補充的
Supplying mutual needs or offsetting mutual lacks.
互補的：互相滿足對方需求或補足缺陷
Genetics Of or relating to a group of genes that act in concert to produce a specific phenotype.
【遺傳學】 互補基因的：指一組基因共同作用而產生某種特殊表現(xiàn)型的或與之有關的
Biochemistry Of or relating to the specific pairing of the purines and pyrimidines between strands of a DNA or an RNA molecule.
【生物化學】 互補的：指DNA或RNA分子鏈之間特定的嘌呤和嘧啶堿基對的互補

【引伸】
com.plemen.tarily
com.plemen.tariness
n.（名詞）