一个子(或继承的)类只可以有一个父类(基类)。

A child (or derived) class can have one and only one parent (or base) class.

youdao

今天，情况恐怕正好相反，有父有母的家庭现在住进这样的房子反倒稀罕了。

Today, it would be exactly the opposite; it would be rare to have a mother and father in the household today.

youdao

假设父表和子表有不同的分区键。

Suppose the parent and child tables have different partitioning keys.

youdao

His epithets include "Father of all creatures," "Bull," "King."

描述他的词语有，万物之父，公牛和国王“

耶鲁公开课 - 旧约导论课程节选