“家系的”造句

我们家系的实际创始人是我祖父的哥哥.
The actual founder of my line was my grandfather's brother.

根据家系的原理,这个事实即时可以得到解释.
This fact is at once explained on the principle of descent.

从此以后,倭马亚家系的繁荣就衰落了.
From this point onward the glory of the Omayyad line decays.

• #家系的