The typical family structure of Freud's patients involved two parents and two children.

弗洛伊德的病人们的典型家庭结构是一对父母和两个孩子。

The chemical structure of this particular molecule is very unusual.

这个特殊分子的化学结构很不寻常。

The feet are highly specialized structures made up of 26 small delicate bones.

脚的结构非常特殊，由26块细小骨头组成。

About half of those funds has gone to repair public roads, structures, and bridges.

那些资金中大约一半用于维修公路、建筑物和桥梁。

By structuring the course this way, we're forced to produce something the companies think is valuable.

通过这样精心安排进程，我们不得不生产各公司认为有价值的东西。