有时一种生物为了生存而杀死另一种生物，所以它们形成了食物链。
Sometimes one living thing kills another to live, so they form a food chain.
这种植物是研究人员正在研究的另一种生物燃料。
They're another plant that researchers are investigating as a biofuel.
偶尔，一个富含化石的岩层序列可以让我们持续并全面地观察一种生物。
Occasionally , a sequence of fossil-rich layers of rock permits a comprehensive look at one type of organism over a long period of time.
然而，对于一种生物种群而言是大灾难的事件，却有可能给另一种生物种群创造机会。
What is a catastrophe for one group of living things, however, may create opportunities for another group.
然而，实际上曾经有一种生物跟大脚怪长得很像。
However, there once was a creature that actually resembled what Bigfoot is supposed to look like.
没有哪一种生物认证可以解决所有的问题。
这是一种生物可降解的，无毒、非易燃性的燃油。
It's biodegradable, non-toxic, non-flammable, "she says, adding that it's good for the environment, too."
作为一种生物识别方法，击键力学相对来说不是很精确。
As a biometric, keystroke dynamics are relatively imprecise.
处女座按照自定的规则生活，而天秤则完全是另一种生物。
Virgo lives according to her/his rules while Libra is absolutely different creature.
她目击了除人类之外不仅会使用工具而且会制造工具的一种生物。
She witnessed a creature, other than a human, in the act not just of using a tool but of making one.
当一种生物被取代，其他物种就会被施加新的压力以保住自己的领地。
When one is displaced, it puts new pressure on all the others to hang onto their territory.
他一直在寻找一种生物。科学家曾记录过这种生物，但是从未拍到过活体。
"One of the things he was looking for was a species that had been recorded but never photographed alive," Priede said.
“显形”是一种生物的外貌表征：如解剖结构，生理机能，行为，健康或病态。
This is an organism's outward expression: its anatomy, physiology and behaviour, whether healthy or pathological.
曾经不过是第一复制因子的运输工具的一种生物，现在变成了第二因子的复印机。
A living creature, once just a vehicle of the first replicator, was now the copying machinery for the next.
蛋白质是一种生物高分子，它是有机体的基本成分，并且参与了细胞中的每一个流程。
Proteins are biological macromolecules that are an essential component of organisms and participate in every process within cells.
如果一种生物有两个不同的名字，或者一个名字指代几个不同的物种，就会导致紊乱。
If an animal has two different names, or if one name refers to several different species, the result is confusion and chaos.
这是我在鳗鱼身上发现的最伟大的美丽之处：能始终向人类隐瞒其生命起源秘密的一种生物的信念。
That's the greatest beauty I find in eels: the idea of a creature whose very life beginnings can remain hidden from humans.
睡眠并不是一种人体功能： 睡眠是一种生物生理系统，类似于心血管系统、神经系统等。
Sleep Isn't Just a Bodily Function: Sleep is a biological, physiological system, akin to the cardiovascular system, the nervous system and so on.
故事主线是围绕着人们发现了人脑中存在着一种生物互联网络(有点像外太空的亚空间)。
The story arch revolves around the discovery of bio-cyberspace existing in human brains (kinda like subspace in outer space).
三位美国科学家因发现了防止遗传密码随着年龄增长而磨损的一种生物守护机制而共同赢得了今年的诺贝尔医学奖。
The discovery of a biological gatekeeper that prevents genetic code from fraying with age has won a trio of American scientists this year's Nobel prize for medicine.
有一种生物比它还聪明，这种生物的特技之一是装假作伪，因此它装假作伪这种行经是超不过这种生物——人的。
It also has a biological than clever, this one biological stunt pretend are fake, so fake it pretend those ACTS are ultra However such biological - of people.
让它们能不停地在特拉华湾狂吃的原因，完全是因为老天爷在那里安排了另一种生物：马蹄蟹，地球上最古老的奇怪的动物。
Their ability to go on a sustained eating binge while at the bay is due entirely to another creature: the horseshoe crab. These bizarre animals are among the oldest on Earth.
乙醇作为一种生物燃料相对来说容易生产。但是与汽油相比它的能量密度较低，而且不能够通过现有的化石燃料管线来运输。
As a biofuel, ethanol is relatively easy to make, but it has a lower energy density than gasoline and can't be transported through existing pipelines designed for petroleum fuels.
一个人，或一种生物，会做一些无私的事情，只要可以为它保存自身的遗传物质，比如那些存在在几个亲兄弟或者堂兄弟之间的。
A person or creature will do something selfless if the act still saves enough of its own genetic material - say, the amount carried in a couple of brothers or a half-dozen Cousins.
而如今开发树木作燃料的讨论与高科技密切相关，这就是从树木中提取乙醇，取代通常是从玉蜀黍（玉米）或蔗糖中提取的一种生物燃料。
But now the notion of exploiting trees for fuel is being updated with a high-tech twist. The idea is to make ethanol, a biofuel that usually comes from maize (corn) or sugar cane, from trees instead.
生物技术所擅长的是从某种生物(比如人类)中提取出基因并将其植入另一种生物(以酵母菌为例)，从而艰难地获得大量所需的蛋白质。
Biotechnology is good at taking genes from one organism (a human being, for example) and sticking them into another (yeast, say) in order to churn out large amounts of a desirable protein.
生物技术所擅长的是从某种生物(比如人类)中提取出基因并将其植入另一种生物(以酵母菌为例)，从而艰难地获得大量所需的蛋白质。
Biotechnology is good at taking genes from one organism (a human being, for example) and sticking them into another (yeast, say) in order to churn out large amounts of a desirable protein.
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