线粒体是细胞里的微型物质，能将葡萄糖里的能量转换成对一种细胞机体有用的形式。
Mitochondria are small structures inside cells which convert the energy in glucose into a form that a cell's machinery can use.
这是真的，当物质和反物质相遇时，它们会在大爆炸相互湮灭，然后把它们的质量转换为能量。
It's true that when matter and antimatter meet, they do annihilate in a big explosion and convert their mass to energy.
当物质和反物质相遇时，它们就会自动湮灭，并在强大的爆炸中把它们的质量转换成能量。
When matter and antimatter meet, they annihilate, converting their mass into energy in a powerful explosion.
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