“但是，变性手术如此重要，因此我们开始获得这种权力”，他说，“越来越多的年轻人自愿要求动手术。”

'But it is so important that we start getting this right' he says. 'more and more young men are coming forward for surgery.

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于是她便开始购买女装，并涂脂抹粉，现在她决定进行变性手术，成为一个“完整的女人”。

She began buying women's outfits and wearing make-up and is now deciding whether to start hormone treatment so she can transition to becoming a full woman.

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这种新手段便是基因疗法。制药业巨头Genzyme已开始一项临床测试，用以确定一种黄斑变性治疗药物是否可以通过疗效持续时间较长的基因疗法而不是每月注射的方式给药。

The pharmaceutical giant Genzyme has started a clinical trial to see whether a drug to treat macular generation could be delivered via long-lasting gene therapy rather than monthly injections.

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Now you start a process, a cyclic process, where the first step in the process is denaturing the DNA.

然后你就可以开始一个循环步骤,第一步是使DNA变性

耶鲁公开课 - 生物医学工程探索课程节选

Remember we talked about how DNA replicates itself and that there are enzymes, DNA polymerase that bind to the double stranded DNA, separate it, denature it locally, and then start the process of replication.

请记住DNA复制必须有酶的参与,DNA聚合酶结合在双链DNA上,打开双链并原位变性,然后才开始复制

耶鲁公开课 - 生物医学工程探索课程节选