英语语法分析

Alternative sources of islet cells are also required to expand the technique in an era of reduced Numbers of donor pancreata.

异种来源的胰岛供体也是一条补充胰岛供体的手段。

Localizing the focal areas in residual pancreata showed that they only situated nearby the cut edge, but not uninjured portion.

对胰腺再生集中区的定位研究表明，它们仅出现于切除后的伤口边缘。