These cells are known as B cells (short for B lymphocytes).

这些细胞被称为 B 细胞（B 淋巴细胞的简称）。

Polymer-coated spheres of gold interact with B lymphocyte immune cells and can deliver drugs or vaccine to where it is most needed.

涂有聚合物的金球与 B 淋巴细胞免疫细胞相互作用， 可以将药物或疫苗运送到最需要的地方。