柯林斯詞典nuclear family (nuclear families) 1. N-COUNT A nuclear family is a family unit that consists of a father, mother, and children. 核心家庭; 由夫妻兩人及子女組成。 返回 nuclear family劍橋詞典a family consisting of two parents and their children , but not including aunts , uncles , grandparents , etc. （由父母與子女組成的）核心家庭 比較extended family 返回 nuclear family