bloodstream的解释
n. 血流
bloodstream的例句
A condition marked by an abnormal increase in the number of lymphocytes in the bloodstream, usually resulting from infection or inflammation.
淋巴结胞增多症一种以血液内淋巴细胞异常增多为特征的症状，一般是感染或发炎导致的

The presence of viruses in the bloodstream.
病毒血症血液中出现病毒的症状