1. 详述：expand memory 扩充内存 | expand on 详述 | expand one level 展开一层

2. (对故事、论据等进行)补充：2280expandv. 使...膨胀,详述,扩张; [计算机] 扩充 | 2281expand on(对故事、论据等进行)补充 | 2282expansen. 宽阔的区域,宽阔

3. expand on是什么意思

3. 细说, 阐述：expand into 把...扩展[发展, 膨胀] | expand on 细说, 阐述 | Tip: expand 指范围、体积的扩大、膨胀、扩展

1. 更充分地阐述;详谈
    If you expand on or expand upon something, you give more information or details about it when you write or talk about it.

    e.g. The president used today''s speech to expand on remarks he made last month.
           总统利用今天的演讲更充分地阐述了他上个月所讲的话。
    e.g. ...a view that I will expand upon below.
           接下来我将详细论述的观点