source/sɔːs/

n C

1. 来源；出处

• sources of income 收入来源

• sources of information 信息来源

• Is the source of this news reliable? 这条消息的来源可靠吗？

2. 原始资料；提供资料者

• The writer lists the sources in his book. 这位作者在书中列举了其资料来源。

• This piece of news was based on information from a reliable source. 这则新闻根据可靠人士提供的信息写成。

3. 源头，发源地

• the source of the Yellow River 黄河的发源地

• Where is the source of the Yangtze River? 长江发源于何处？

词组at source 在源头；在发源地；在开端

• The police stopped the drug trade by restricting the supply at source. 警方在始发地限制毒品供应以阻止毒品交易。