年代的英语读法

问题描述:

年代的英语读法
during the 600s B.C.怎么读?
as early as the 11st century 此句中的11st是不是应该写成11th啊?
600s怎么读?是six hundreds 还是 six hundred?

during the 600s before Christ (公元前)
是应该写成11th century