n.姻亲；密切关系；吸引力
He is not an impartial witness because of his affinity with the accused. 他不是公正的见证人,因为他与被告有姻亲关系。
There is an affinity between Chinese and Japanese character. 汉字与日文之间有密切关系。
This substance has an affinity for water. 这物质和水有亲和力。
