And this new work is about simulating fluid flows where we have some debris or other foreign particles in our liquids.

这项新的研究是关于模拟一些含有碎屑或其他异物的流体的。

Your immune system recognizes foreign particles that are not normally in your body as antigens.

免疫系统可以将通常不在体内的外来颗粒识别为抗原。

It can get picked up by a dendritic cell which is a type of immune cell that gobbles up foreign particles and presents it to a nearby lymphocyte called a T cell.

一种叫作树突状细胞的免疫介导细胞将识别和吞噬吸入的花粉，进而传递给邻近的一组淋巴细胞：T细胞。