routine blood test meaning in English

血常规化验

Using near - infrared spectroscopy , which measures blood levels and oxygenation in the brain , fitzgerald and her team recorded activity in the brains of 18 premature babies born between 23 - 45 weeks from conception as nurses performed routine blood tests using a heel lance
当护士按常规从早产儿脚跟处采集血样，以便对他们进行血液检查时，菲茨杰拉德和她的研究小组使用近红外分光镜对这些早产儿脑部的血液水平和氧合作用进行了测量，记录下了他们的脑部活动。