Evidence was also found among the human remains of a millet diet, which is not typical of Northern Germany at the time, which the researchers say may betray the presence of invaders.

还发现了一项证据：在这些人类遗骸中还发现了黍米，这不是那个时期德国北部的典型作物，研究人员说，这可能暗示着这里出现了入侵者。

youdao

Once my body understands that these new things are not actually invaders, it won't release the histamine response.

一旦身体知道到这些新东西并不是入侵者，就不会产生组胺反应了。

youdao

But it has always served as not only a physical barrier, but a psychological one to intimidate potential invaders.

但是一直以来，它不仅仅是一个实体屏障，也是一个能威吓到潜在入侵者的心理屏障。

youdao

The problem with cancer cells is that they are not foreign invaders, but fifth-column traitors.

FORBES: In search of antigens

Even though it requires the illegal alien's 100 days of agricultural work in the U.S. to have occurred during any 12 month period between February 2002 and August 2003 - and, therefore, is not something new "invaders" could cash in on - this legislation further reinforces the expectation that, if you can get into this country by whatever means, you will at some point likely be allowed to stay legally.

CENTERFORSECURITYPOLICY: Amnesty by any other name

The fashion then was for collection and growing foreign species so the Spanish invaders going native was not seen as a problem.

BBC: NEWS | UK | Northern Ireland | Gardeners urged to repel boarders