求助哪位帮忙翻译一下这句体检报告是啥意思？有问题吗？多谢了！

来源: 于 2014-09-17 14:11:27 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

Few or no intact white blood cells are noted in the urine microscopic,but sample is positive for leukocyte esterase.（+2）
This represents the presence of free enzyme from lysed white cell.
女 20岁
多谢了