1·For women, the association may be attributable to changes in immunity that resulted from excess abdominal fat; in men, the immune system did not appear to be involved.
对于女性来说，这一联系可能归因于腹部脂肪过多导致的免疫力变化；对于男性来说，（这种联系）似乎并不涉及免疫系统。
2·They think its population grew rapidly and then remained more or less stable until the arrival of the Europeans, who introduced deadly diseases to which islanders had no immunity.
他们认为岛上的人口增长迅速，然后保持或多或少的稳定速度来增长，直到欧洲人的到来引进了岛上居民对其没有免疫力的致命疾病。
3·We have an immunity to all of the junk that lies at the edges of our culture.
这是一个道理。我们已经对于我们社会文化中的各种垃圾产生了免疫力。
4·That could spark a disease pandemic because humans do not have immunity to this influenza strain.
那样就可能爆发一场流行病，因为人类对这种流感病毒还没有免疫力。
5·The presence of this component creates feelings of bonding and strengthens immunity in the baby.
这种成分的存在可以令宝宝产生归属感，并增强他的免疫力。
1·People born after the 1957 pandemic do not have this immunity.
在1957年之后出生的人对这大流行就没有免疫性。
2·VACCINATING people against swine flu may be a lot easier than anyone dared hope, as it turns out that people have an unexpected degree of immunity to the pandemic now sweeping the world.
人们接种疫苗抵抗猪流感比任何人挑战希望容易得多，根据目前情况，人们对现在席卷全球的大流行有意想不到的一定程度的免疫性。
3·We can also say that once most people have been infected by swine flu and become immune, a variant that can beat that immunity will replace the current strain.
我们还可以确定的是，一旦大部分人群感染猪流感并获得免疫力，疾病的变种将会打破目前的免疫性并成为当下的压力。
4·However, infections also trigger another reaction called cell-mediated immunity, in which certain white blood cells target and destroy infected cells.
然而，感染还能触发另一种反应叫细胞介导免疫性，某些白细胞靶和破坏感染的细胞。
5·When people have no pre-existing immunity to a flu virus, they need not just one but two doses of vaccine several weeks apart - making it very hard to immunise many people in time to protect them.
当人们对流感病毒没有预先免疫性，他们就需要几周间隔的两次注射而不是一次注射-这在当时免疫接种很多人去保护他们操作是非常困难的。