2025-05-14
1 分钟You're listening to bbclearningenglish.com.
A source is an original place, person or thing.
Source is often used with the verb be.
Fish oil is a good source of omega-3.
In the same way, we can say that something provides a source of something.
Small fish provide a food source for bigger sea creatures like sharks and octopus.
We can use something as a source for something else.
For example, I used a quote from this newspaper article in an academic essay.
The newspaper was used as a source.
If you tap into sources, it means you use something to bring beneficial results.
The charity want to tap into the energy source to help heat houses.
Sometimes you might need to locate the source of something.
That means find it.
We must locate the source of that leak.
There's water everywhere!