a.

1. 在前面的
   an advanced position

   一处前沿阵地

2. 先进的；开明的
   Ancient Greece was an advanced civilization.

   古希腊是个先进的文明国家。

3. 高级的，高等的
   My younger sister studied advanced math.

   我妹妹学过高等数学。

4. 年迈的；后阶段的
   His grandfather died at an advanced age of 98.

   他祖父在九十八岁高龄时去世。

adj.

1. far on in progress or life.
2. complex; not elementary.
3. very modern.