他举例指出，在5岁到14岁之间感染艾滋病的人预计能存活13年以上，形成对照的是，65岁或以上的人如果感染艾滋病，他们的存活年月会降低到4年。
For example, he notes people infected with HIV between ages five and 14 can expect to live more than 13 years; whereas, this declines to four years in those infected at age 65 or older.
然而，它似乎已经这般存活了200年。
研究人员认为，如果蜜蜂消失了，人类就只能存活四年。
Researchers suggest that humans would only survive for four years if the bees disappeared.
另一种更有趣的可能性是，使蜥蜴的脚趾成形的基因信息，以某种方式存活了几千万年甚至几亿年，而且被重新激活了。
Another more intriguing possibility is that the genetic information needed to make toes somehow survived for tens or perhaps hundreds of millions of years in the lizards and was reactivated.
在1995年和1996年，研究人员捕获并清除了特定的水禽巢穴捕食者，主要是浣熊和条纹臭鼬，然后观察了鸣禽巢穴随后的存活率。
In 1995 and 1996, researchers trapped and removed certain waterfowl-nest predators, primary raccoons and striped skunks, then observed subsequent survival rates for songbird nests.
50年前，婴儿（尤其是男婴）存活的机会取决于其体重。
Fifty years ago, the chance of a baby (particularly a boy baby) surviving depended on its weight.
在人类存活的这约20万年里，我们没有办法精确地表示数量。
For the bulk of our species' approximately 200,000 year lifespan, we had no means of precisely representing quantities.
这些种子可以在这里存活数千年，因为这里的温度是零下18度。所以，在未来，人类可以种植任何想要的种子。
The seeds can live here for thousands of years because of the cold temperature of -18℃. So, in the future, humans can grow any seed they want.
在这些条件下可可树只能存活30年甚至更少。
Under these conditions the trees live only 30 years or less.
他与他的团队推测这些微生物之所以可以存活一千年是由于一种属于杜氏藻的海藻，这种海藻也被困在盐中被盐包裹。
He and his team suspect that the microbes survived over the millennia thanks to an algae called Dunaliella, which also became trapped and encased in the salt.
总体来说，有超过一半的病人存活超过五年。
Overall, more than half of all patients survive more than five years.
美国人有更多机会接受癌症的筛查，一但被诊断患有癌症，他们的五年存活律更高。
Americans are more likely to be screened for cancer, and once cancer is detected, they are more likely to survive for five years.
在大多数情况下，预后很差：仅2%至3%的患者能存活五年以上。
For most, the prognosis is poor: only 2% to 3% survive for five years or more.
西班牙的储蓄银行，或信用合作社，在没有股份持有者的情况下将近存活了200年之久。
SPAIN's savings Banks, or cajas, have survived for nearly 200 years without the help of shareholders.
如果小动物缺乏天敌，如一些蝙蝠，他们就可以像大型动物一样存活数十年之久。
If they do not, as for some species of bat, then even a small creature can live for decades in just the way that a large animal would.
具有代表性的是，构成行星状星云的恒星已经存活了十亿年。
Stars that form planetary nebulae typically live for billions of years.
棘蜴最多可以存活20年并且只吃蚂蚁。
Thorny Devils can live for up to 20 years and feed exclusively on ants.
存活了几千年的物种正减少或者消失。
Species that have lived here for thousands of years are declining and disappearing.
一群奴役儿童的宗教极端分子似乎不太像啥危害，但这个本应在第一场战斗中就被消灭的组织，却已经顽强存活25年。
A group of child-enslaving cultists might not sound like much of an enemy, but the group, which should not have survived its first battle, has persisted for 25 years.
第一次是在09年2月，很遗憾冷冻胚胎未能存活，下一次是在09年8月。
The next was in February 2009, when sadly their frozen embryos failed to -survive, and then again in August 2009.
比起那些只有几天寿命的浮游植物，鲸鱼和大型鱼类可存活了几十年。
Compared to phytoplankton that have life spans measured in days, whales and large fish live for decades.
在肺癌晚期，只有三分之一的病人能够存活一年。
In the later stages of lung cancer, only a third of patients survive a year.
恶性胶质瘤是侵袭程度最高的脑瘤之一，病人存活时间基本不超过两年。
Glioblastoma is one of the most aggressive brain tumors, killing nearly every patient within two years.
不过它一直存活到1857年的印度叛变，事实上它在文件上一直存活到1873年。
Yet it survived until after the Indian mutiny of 1857; indeed, on paper, until 1873.
冰冻的细胞将可以存活几十年，甚至一个世纪。
The frozen cells will remain alive for decades, maybe even centuries.
根据美国癌症协会的说法，胰腺癌是五年的存活率最低的癌症之一，在其各个阶段大概只有5%。
According to the American cancer Society, pancreatic cancer has one of the lowest five-year survival rates, at about 5 percent over all for all stages.
根据美国国家癌症研究所对一系列儿童癌症患者的统计，在1975年到2005年间，平均五年存活率已经从58%上升到了81%。
The average five-year survival rate for a range of childhood cancers increased from 58 percent to 81 percent between 1975 and 2005, according to statistics from the National cancer Institute.
存活率的计算是基于确诊五年后存活的人的数量。
Survival rates are calculated on the number of people alive five years after diagnosis.
因为他们活到了75岁，所以这些人的五年存活率为100%。
Because these people live to age 75, the five-year survival rate is 100 percent.
因为他们活到了75岁，所以这些人的五年存活率为100%。
Because these people live to age 75, the five-year survival rate is 100 percent.
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