Solar energy, whose time has come, is very suitable to heat water or make electricity.

太阳能的时代已经到来，它非常适合用来加热水或发电。

How do some fishes make electricity?

鱼怎样产生电流？

That's why we burn it to make electricity.

这就是为什么我们烧煤用来发电。

It can also be used to make electricity.

它也能被用来发电。

So how do wind turbines make electricity?

那么一个风力涡轮机是怎么发电的呢？