双语例句原声例句
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The doctor took a urine sample and a blood sample.
医生取了尿样和血样。
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The doctor stuck my finger with a needle to get blood sample.
医师用一根针刺破我的手指取血样。
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So we will have a test that only requires a blood sample from both my son and me.
日后我们将去做一个测试，只需要儿子和我的血液样本。
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Well let's talk about some mechanisms for using this and I'll start with a simple example of how one can detect a gene in a fluid, in a blood sample for example, where that gene is unknown.
我们来说说这项技术在实际应用中的机制,先从一个简单例子着手,如何在一个血样中,侦测是否存在某段基因序列,某段未知基因序列
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