blood sample

基本解释

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。
The process involves drinking a sugar solution, waiting an hour, then analyzing a blood sample to find out how your body processes the sugar.
这一过程包括饮用糖水，再等一个小时，然后分析血液样本来查明你身体处理糖分的过程。
Positive results obtained with the kits are reported to the Health Department but are considered preliminary, and must be confirmed by a different test that requires a blood sample.
试剂盒检测出的阳性结果会被报道到卫生部门，但只是作为初步结果，还需要对血液样本进行其他的检测以确定检验结果。

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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