名词

1. 亲近；熟稔
If you have an affinity with someone or something, you feel that you are similar to them or that you know and understand them very well.

2. 类似；近似
If people or things have an affinity with each other, they are similar in some ways.

1. a natural attraction or feeling of kinship

e.g. an affinity for politics
the mysterious affinity between them
James's affinity with Sam

2. inherent resemblance between persons or things

3. the force attracting atoms to each other and binding them together in a molecule

e.g. basic dyes have an affinity for wool and silk

Synonym: chemical attraction

4. (immunology) the attraction between an antigen and an antibody

5. a close connection marked by community of interests or similarity in nature or character

e.g. found a natural affinity with the immigrants
felt a deep kinship with the other students
anthropology's kinship with the humanities

Synonym: kinship

6. (biology) state of relationship between organisms or groups of organisms resulting in resemblance in structure or structural parts

e.g. in anatomical structure prehistoric man shows close affinity with modern humans

Synonym: phylogenetic relation

7. (anthropology) kinship by marriage or adoption
not a blood relationship