Lead in blood

• 血铅

Lead in blood的用法和样例：

例句

1. Study on the in-tors of blood leadlevelin school-age children.
   学龄儿童血铅水平影响因素的研究。
2. I ordered a lead level on Mom and made arrangements for her daughter to see a pediatrician.
   我指示对这位妈妈进行血铅浓度化验，并安排她的女儿去看儿科医生。