沃特森说还有一些证据表明夜班与非霍其金淋巴瘤有关系，这个可能是因为身体的免疫系统缺少抗黑变激素的刺激造成的。
There is also, says Watterson, evidence of a link between shift work and non-Hodgkins lymphoma, possibly because the body's immune system lacks the positive effects of melatonin.
众所周知大猩猩对于某些人类疾病缺少免疫，因此贡贝研究者们必须保持最少25英尺的距离。
It is now known that chimps lack immunity to some human diseases, so Gombe researchers must keep at least 25 feet away.
事实上，在初期，缺少这种蛋白看起来和正常情况一样，因为它使老鼠免疫这种蛋白的缺失。
In fact, at first glance, lack of prions seemed like a good thing because it made mice immune to prion infection.
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