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1·In some New Guinea societies, the nuclear family is not the unit that eats together.

在新几内亚的一些社会中，核心家庭并不是一起吃饭的单位。

2·For example, in some societies, the nuclear family is the unit that regularly eats together.

例如，在一些社会中，核心家庭是一个经常一起吃饭的单位。

3·One theory is that bipedality evolved in conjunction with the nuclear family: monogamous parents cooperating to care for their offspring.

有一种理论认为，两足动物的进化与核心家庭有关：一夫一妻制的父母合作照顾他们的后代。

4·I come from a nuclear family.

我来自一个小家庭。

5·My cousin is not part of my nuclear family.

我的堂表兄弟姊妹并不是核心家庭的一部分。

6·My cousin is not part of my nuclear family.

我堂兄不是我核心家庭成员。

7·The traditional American family is a nuclear family.

传统的美国家庭是核心家庭。

8·A nuclear family is somehow impregnable, beyond reproach.

从某种程度来说，一个核心家庭是坚不可摧的，是无可非议的。

9·A nuclear family consists of parents and their children only.

核心家庭一般只有父母和孩子两代。

10·These are enormous changes from the traditional nuclear family.

这些就是传统核心家庭的巨大变化。