名詞 affinity:

1. the force attracting atoms to each other and binding them together in a molecule
   同義詞：chemical attraction
2. (immunology) the attraction between an antigen and an antibody
3. (anthropology) kinship by marriage or adoption; not a blood relationship
4. (biology) state of relationship between organisms or groups of organisms resulting in resemblance in structure or structural parts
   同義詞：phylogenetic relation
5. a close connection marked by community of interests or similarity in nature or character
   同義詞：kinship
6. inherent resemblance between persons or things
7. a natural attraction or feeling of kinship

1. She feels a strong affinity to him.
   她感到他對她有很強的吸引力。
2. There is an affinity between Chinese and Japanese character.
   漢字與日文之間有密切關系。