边界是人造的。
Traditional science is concerned with abstract theories or the nature of the universe— not human-made artifacts.
传统科学关注于抽象的理论及宇宙的本质而不是人造物。
Children as young as three believe human-made objects are owned but naturally occurring things like pinecones are not.
三岁大的小孩相信人造的物品是被拥有的，而天然的物品，例如松果，却不是。
But when the unfamiliar, artificial objects were referred to as "human-made," the younger children tended to classify them as owned.
但当提及到这些不熟悉的人工物品是“人类制造的”时，较年轻的小孩倾向于把它们归类为“被拥有的”。
The GDP reports the total value of human-made goods and services without deductions to reflect losses of capital, especially natural capital.
GDP只计算了人造商品和服务的总价值，却没有减去资产的损失，尤其是自然资产。
The two spacecraft are the most distant human-made objects, out at the edge of the heliosphere — the bubble the sun creates around the solar system.
这两艘飞船是目前距离最遥远的人造物体，远在日光层外缘——由太阳产生的，环绕太阳系的巨型泡状体。
Soon after, people began to experiment with more controversial, human-made additives - first, the anti-malarial medication chloroquine, and later, DEC.
很快，人们开始尝试更多有争议的人工合成物质，首先是防治疟疾的氯喹，然后是DEC。
In one experiment 3-year olds looked at pictures of a fork, teddy bear, truck, and other human-made objects. They also looked at pictures of a leaf, shell, or rock.
在一项实验中，让一些三岁的孩子去看叉子、泰迪熊、卡车和其他一些人造的东西的图片，也让他们看树叶、贝壳和石头的图片。
Faced with traffic noise and other human-made din, city birds have taken matters into their own hands: They adjust their songs in real time to make themselves heard.
面对着城市的交通噪音和喧闹嘈杂，为了让自己的歌声被听到，鸟儿也有自己的看家本领：实时调整歌声。
Dug into characteristically reddish cliffs of the Upper Mustang district, the human-made caves lie at 13, 800 feet (4, 200 meters) above sea level, high above the village of Samdzong
这些人造洞穴，挖掘于上慕坦地区典型的红色峭壁上，位于海平面上13800英尺（4200米），比山宗村还要高。
A global assessment of data since 1970 has shown that it is likely that anthropogenic (human made) warming has had a discernible influence on many physical and biological systems.
一个自1970年开始实施的全球数据评估显示，很可能是人为的气候变暖，在很多物理和生物系统上留下了明显的影响。
When experiments are to be made, one cannot rely too much upon the human senses to make an accurate observation.
做实验时，不能过分依靠人类的感官去做精确的观察。
But nothing made by man can compare to the sophisticated design of the human body. Just check out these astonishing facts about your body.
但不管人类做出什么东西，都不可能与人体复杂的设计相提并论。
Cambridge has produced many great scientists and thinkers Isaac Newton, Charles Darwin and Francis Bacon, to name but a few, and made important contribution to the progress of human civilization.
剑桥举世闻名，培养出牛顿、达尔文、培根等许多杰出的科学家、思想家，为人类文明进步作出了重要贡献。
But to take this narrow point of view would be to ignore the obvious tremendous advances that have been made over the past one hundred years by the human race.
然则，持此狭隘的观点则有可能使人无视人类在过去一百年中业已取得的昭然若揭的巨大进步。
All of this information made Clarke and her team suspect that the KCNJ6 gene might play a role in human alcoholism.
所有这些信息使得Clarke和她的小组怀疑KCNJ6基因可能在人类的酒精中毒行为中起了作用。
Other inventions—the wheel, agriculture, sliced bread—may have transformed our material existence, but the advent of language is what made us human.
其他发明——如车轮、农耕、切片面包——可能改变了我们的物质生活，但语言的出现才真正塑造了人类。
"The mechanical properties of titanium foams made this way closely approach those of the human bone," said Quadbeck.
负责研究的科学家表示：“这种钛发泡材料的机械性能与人体骨骼非常类似。”
At most companies, prospects are phoned by the human resources department and told that a decision has been made.
在大部分公司里，一般会由人力资源部打电话给人，告诉他们最终的决定。
However, something similar could probably be made by inserting the nucleus of a human cell into the egg of another species, such as a rabbit.
然而，类似的事情可以通过把人类细胞核植入其他物种(比如，一只兔子)的卵细胞来完成。
He missed a bunch of free throws on the night, but all that really did was prove Wade is a human being and not a basketball machine made of smoke, pistons and hexagonal padding.
他在这个晚上罚丢了很多球，但那只是证明了韦德也是人，而不是投篮机器。
The Earth does not have an inexhaustible supply of resources, so every effort should be made to conserve resources and limit the impact of human activity on the planet.
地球上的资源并不是取之不尽、用之不竭的，所以我们应该尽全力保存资源，限制人类活动对地球的冲击。
One artificial skin, made by researchers at Stanford University, is 1,000 times more sensitive than human skin and is based on organic transistors.
斯坦福大学研究人员基于有机晶体管创造的人造皮肤，其灵敏度高于人的皮肤1,000多倍。
Rhino horns, for example, are mostly made of keratin, the same fibrous protein found in human hair and fingernails, but people in some cultures still think of them as an aphrodisiac.
像犀牛角，其主要成分是角质，与人的毛发和指甲一样富含纤维蛋白质。不过，有些地区的人还认为犀牛角可以壮阳。
Two research teams in the US and Japan have made embryonic stem cells – or something very like them – directly from human skin cells, without having to destroy an embryo in the process.
美国和日本的两个研究小组已直接从人体皮肤细胞中提取出胚胎干细胞（或非常类似的细胞），同时在这一过程中没有破坏胚胎。
They made their home in the woods, not on the open savannah grasslands long considered the main arena of human development.
他们在林间安家，而不是在开阔的草原，人们一直认为草原才是人类进化过程中的主要活动场所。
Studies have noted that vocalisations that some apes make while being tickled are similar to those made when they are playing, and acoustically they share some characteristics with human laughter.
研究注意到，大猩猩被挠痒时的发声法和它们在玩耍时的发声法是相似的，在听觉上和人类的笑声也有一些相同的特点。
Studies have noted that vocalisations that some apes make while being tickled are similar to those made when they are playing, and acoustically they share some characteristics with human laughter.
研究注意到，大猩猩被挠痒时的发声法和它们在玩耍时的发声法是相似的，在听觉上和人类的笑声也有一些相同的特点。
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