analyze the chemical 分析物质成分
But when we analyze these cells chemically, we find something very interesting, a chemical in them, an enzyme called telomerase.
但当我们用化学方法分析这些细胞时，我们发现了一些非常有趣的东西，其中有一种化学物质，是一种叫做端粒酶的酶。
When you analyze this light, you can figure out their distance from the Earth, and identify what they are made of, determine their chemical composition.
当你分析这些光的时候，你可以计算出它们与地球的距离，并确定它们由什么构成，查明它们的化学成分。
The genetic tests that were the focus of their work analyze DNA (or its chemical cousin, RNA), chromosomes, genes, enzymes or other proteins to detect mutations related to disease or health.
基因检测的关键是对DNA（或者RNA），染色体，基因，酶或其他蛋白质进行分析以检测是否有与健康或疾病有关的突变。
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