n.[C]

1. （河的）源头；水源
   Do you know the source of Amazon River?

   你知道亚马逊河的源头吗？

2. 根源；来源[（+of）]
   They are required to publish the sources of their campaign funds.

   他们必须公布自己竞选经费的来源。

3. 提供消息（或证据）者；消息（或证据）来源[P1]
   The news comes from a reliable source.

   这消息来自一位可靠人士。

4. 出处；原始资料[P1]
   The library has quantities of reference sources.

   该图书馆藏有大量可供参考的原始资料。

vt.

1. （从特定来源）获得（商品、零件）
   They sourced the spoke nuts from our company.

   他们的轮辐螺帽是从我们公司来的。

vi.

1. 从其他公司、国家购得零件、材料等；开源
   They are sourcing from abroad in order to save money.

   为了省钱，他们的材料、零件从国外开源。

n.

1. a place, person, or thing from which something originates.
   ▸a spring or fountain head from which a river or stream issues.
2. a person who provides information.
   ▸a book or document providing evidence for research.
3. technical a body or process by which energy or a component enters a system. The opposite of sink².

v.