telluric lead

例句：

1. 1. The telluric lead in the soil can be asignificant source of contamination.
   土壤中的地壳铅可能是污染的一个主要来源。
2. 2. Thestudy found that telluric lead levelswere higher in areas with heavy industry.
   研究发现，工业密集地区的地壳铅含量较高。
3. 3.The telluric lead was extracted fromthe ore and used to make leaded gasoline.
   从矿石中提取的地壳铅被用于制造含铅汽油。