And therefore prenatal vitamins include folic acid, which is the manufactured form of folate.

因此，产前需补充的维生素包括叶酸制剂。

To protect the pancreas, the acinar cells manufacture inactive forms of the enzymes called proenzymes, or zymogens.

为了保护胰腺，腺泡细胞会产生这些酶的无活性形式，称为“酶原”。