All Y chromosomes in existence today are descended from a single ancestor's who is thought to have lived about 140,000 years ago.
现在存在的所有Y染色体都来自于一个被认为生活在大约14万年前的同一祖先。
Modern humans have lived as hunter-gatherers for more than 90 percent of their existence as a species.
作为一个物种，自从出现以来，现代人类90%的时间是以狩猎者-采集者的方式生存。
For most of the species's existence, humans lived in small foraging bands that had little material surplus and therefore enjoyed a relatively egalitarian existence.
相对于绝大多数物种的存在方式而言，人类生活在一个很小的狭长地带，那里几乎没有剩余食物，因此可以以相对平等的方式生存。
However, properly speaking, he lived in the Rue Plumet, and he had arranged his existence there in the following fashion.
其实，严格说来，他是住在卜吕梅街的，他把他的生活作了如下的安排。
They had not lived in every conceivable manner, far from it, but what room would there be for the multitude if each individual tried to exhaust the permutations of existence?
他们并没有体验过所有可能的生活方式，远远没有；但是，如果每人都试图体验所有的可能的生活方式，芸芸众生又将如何自处？
For most of their existence, humans lived in small, egalitarian hunter-gatherer bands.
远古人类大部分生存在小而平等的团队里依靠采集和狩猎为生。
In our universe the laws of physics seem precisely calibrated to allow the existence of long-lived stars, planets with stable orbits, and molecules that allow complex chemistry.
在我们这个宇宙里出现了漫长生命周期的恒星，具有稳定轨道的行星，能够实现复杂化学变化的分子，仿佛它的物理法则曾被精确校准过。
Modern humans have lived for most of their existence as hunter gatherers, so much of human nature has presumably been shaped for survival in such conditions.
现代人多数时候以狩猎采集为生，人性的很大一部分可能是在这种生存条件下形成的。
Financially comfortable, the family lived something of a nomadic existence in Europe, Venezuela and the United States.
财政舒适，家庭生活的东西存在游牧在欧洲，委内瑞拉和美国。
Our short-lived connexion with existence we fondly flatter ourselves, is an indissoluble and lasting union-a honeymoon that knows neither coldness, jar, nor separation.
我们在世界上只是暂时栖身，却一厢情愿、痴心妄想地竟把它当作长久不变的结合，好像没有冷漠、争吵、离别的蜜月。
For all existence most men have lived in poverty, threatened by hunger.
自有人类生存以来，大多数人生活于贫困之中，饱受饥饿之。
They lived a very frugal existence, avoiding all luxuries.
他们生活非常俭朴，力避奢华。
But this symbolizes rather the logical outcome of a life completely imbued with the absurd, the grim ending of an existence turned toward short lived joys.
但对于一个完全与荒谬为伍的生命，这代表了一个相当合乎逻辑的结果；对于一个转向及时行乐的存在，这又是一个残酷的结局。
But it is mere idleness to say that I had not lived before - that the soul has no previous existence.
但若说我在此之前不曾生活过——我的灵魂在此之前不曾存在过，那是白费口舌。
The family lived a precarious existence.
这家人过着朝不保夕的生活。
This kind of village life created an atmosphere full of belonging and existence that completely different from the bloated and indifferent urban life that we lived now.
这种村落生活营造出的归属与存在感，完全异于当前臃肿、淡漠、疲倦的城市生活。
For months on end, he lived a hunted existence, always surrounded by the Japanese. From one mountain peak to another, he was continually on the move.
一连几个月，他东藏西躲，经常处于日本人的包围之中，不断地从一个山头转移到另一个山头。
Unfortunately for the humans who by no intention wander into the merged regions of Heaven, their existence is short-lived.
对于不幸误入新出现的天堂地区的人来说，他们的存在是短在的。
Clarence lived a modestly comfortable existence on what he earned working at the Post Office, but he always dreamed of being rich.
克拉伦斯在邮局工作，生活过得一般，但他总是梦想成为有钱人。
Inside the hut, Yoda lived a simple existence.
在这座简陋的茅屋里，尤达过着简朴的生活。
Our short-lived connexion with existence we fondly flatter ourselves, is all indissoluble and lasting union-a honeymoon that knows neither coldness, jar, nor separation.
我们在世界上只是暂时栖身，却一厢情愿、痴心妄想地竟把它当作天长地久的给合，好像没有冷漠、争吵、离别的蜜月。
This may be a precursor of what astronomers refer to as the common envelope phase, a short-lived period of a binary star's existence that is thought to last for just a few thousand years.
这可能是天文学家们提到的共包层阶段的前身，这是双星生命中的短期阶段被认为仅持续几千年。
I've lived a fulfilled existence during my four-year college life.
帮我翻译一下：我大学四年的学习生活十分充实。拜托！
I've lived a fulfilled existence during my four-year college life.
帮我翻译一下：我大学四年的学习生活十分充实。拜托！
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