dynasty是可数名词。

Three dynasties not king face.

三朝不识君王面。

Shapes of eyebrows varied in different dynasties.

朝代不同，眉毛的式样也不同。

Buddhism and historiography of wei jin north-south dynasties.

佛教与魏晋南北朝时期的史学。

In the south， several dynasties prevailed during different periods.

南部的一些王朝也在不同时期建成。

The majority of the architecture here is from Ming and Qing dynasties.

这里大多数建筑都是明清时候留下来的。