它们可以转化为能量。

They can be transformed into energy.

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食物中的垃圾可以转化为肥料，使植物长得更好。

Rubbish from food can be changed into fertilizer to make plants grow better.

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雨滴落在太阳能电池板上，然后滚落下来，此时它与电池板表面产生摩擦力，这种摩擦力可以转化为电能。

When a raindrop falls on the solar panel and then rolls down, it creates friction on the surface of the panel, which can then be turned into electricity.

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You need some of it because some of it gets converted into molecules called phospholipids, and phospholipids are different.

但你也需要一些甘油三酯,因为它们可以转化成磷脂分子,而磷脂又各不相同

耶鲁公开课 - 生物医学工程探索课程节选

What's the point of this? Again, now that I can think about things recursively, I can similarly break things down into simpler versions of the same problem. It could be one version.

这些的意思是什么呢？再一次我想说,我既然能够以递归的方式思考了,那么我就可以简单地把问题,转化为更简单的同类问题。

麻省理工公开课 - 计算机科学及编程导论课程节选

It might suggest that you could convert all the work to heat.

它暗示我们可以把所有的功转化为热,但是热力学第二定律说。

麻省理工公开课 - 热力学与动力学课程节选