The mitochondrion is a machine within the cell that does the chemistry of breathing.
线粒体是细胞内进行呼吸化学的一部机器.
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The mitochondrion is therefore a really essential part of the cell.
因此,线粒体是细胞真正重要部分.
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真题例句
Yet most ancestry testing only considers a single lineage, either the Y chromosome inherited through men in a father’s line or mitochondrial DNA, which a passed down only from mothers.
出自-2009年考研阅读原文
英英释义
Noun
1. an organelle containing enzymes responsible for producing energy