These cells recognise alien invaders, chop them up and then carry characteristic bits of them to the rest of the immune system so that the invader can be recognised and appropriate measures taken.

这些细胞识别并处理外来异物，再把异物的特有信息提呈给后续的免疫系统使之能够识别并采取适当措施予以处理。

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Critics of the design, put off by its sharply folded and angled forms and irregular, slashed openings, find it an alien invader.

WSJ: Cooper Union's New Building, at 41 Cooper Square | By WSJ Architecture Critic Ada Louis Huxtable