feudal age的用法和樣例：
例句
- During feudal times,it was a custom to put up prayers for rain during droughts.
在封建時(shí)代，有在旱災時(shí)求雨的風(fēng)俗。 - In the feudal ages, the palace maids are the special groups to serve the supreme ruler in the day life.
摘要后宮女性是封建時(shí)代為最高統治者生活服務(wù)的一個(gè)特殊群體，數以千百計。
