lipoprotein

When this happens, the cholesterol and protein form a lipoprotein together..当这种结合发生时，胆固醇和蛋白质共同形成了脂蛋白。

Extensive travelers also had higher diastolic blood pressure and lower high-density lipoprotein cholesterol (the 'good cholesterol') than people who traveled less frequently, the study found..该研究发现，出差过多的人还更可能出现高血压、高密度脂蛋白胆固醇（即良性胆固醇）偏低的症状。

But Marc Hamilton, Ph.D., one of Katzmarkzyk’s colleagues, suspects it has to do with an enzyme called lipoprotein lipase (LPL), which breaks down fat in the bloodstream and turns it into energy..但是，凯茨玛德扎克的一个同事，马克.汉密尔顿博士怀疑，与一种叫脂蛋白脂肪酶（LPL）的酶有关，它能分解血管内的脂肪，将之转化为能量。

high density lipoprotein,高密度脂蛋白

low density lipoprotein,低密度脂蛋白