边界是人造的。
Canalsare human-made channels for water.
运河是指人工开凿的水路。
Substitutions of human-made fibres have been made for natural fibres.
人造纤维代替品已取代了天然纤维。
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。
Because of krotite's relationship to known human-made substances, the conditions under which it forms are already known.
由于始铝钙和已知人造物质的关系，人们就知道了始铝钙是在什么条件下生成的。
Methane emissions are produced from natural sources such as oceans, permafrost, some wetlands, and also from human-made sources.
甲烷的排放，除了来自大自然，如海洋、永冻层和一些湿地外，也来自人为的污染。
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”。
Population size changes slowly, and human-made capital - homes, cars, roads, factories, or power plants - can last for many decades.
人口数量变化缓慢，而人类创造的资本，如住宅、汽车、道路、工厂或发电站等会持续几十年。
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 kids classified human-made objects as owned 89 percent of the time and naturally occurring objects as owned only 28 percent of the time.
的小朋友把人造的东西划分为可拥有的，28%的小朋友把自然存在的东西划分为可拥有的。
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。
As we predicted from the results of the first experiments, knowers rushed to pilfer the human-made cache if they were paired with another knower.
结果，知情渡鸦要是与另一只也知情的渡鸦在一起，就会急著去偷取人藏起的物事，符合我们根据先前的实验结果所做的预测。
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。
The saucer, pictured above, was the Genesis sample return capsule, part of a human-made robot Genesis spaceship launched in 2001 by NASA itself to study the Sun.
它是2001年美国航太总署发射用来探索太阳的创世纪号无人探测船之组件。
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。
The term plastic is used to define human-made polymer resins containing carbon atoms covalently bonded with other elements, along with organic or inorganic substances.
塑料是用来定义由碳原子和其他元素以共用电子对的方式结合而成的聚合树脂连同有机物或者无机物类。
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。
The artificial heart is human-made - as are, it should be noted, most of our major food crops, if you count hybridization and selective breeding as being the work of humans, which they are.
而且还有一点值得注意的是，如果杂交和选择育种也算是人工劳作，那么我们大多数食物作物亦是人造的，的确如此。
The factors causing soil salinization include natural factors such as climate, hydrological and geological conditions, and human-made factors, such as irrigation patterns and cultivating system.
盐渍化土壤类型主要为典型盐土、沼泽盐土、碱化盐土和干旱盐土。
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。
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。
He made only a veiled reference to international concerns over human rights issues.
他只是含蓄地提及对人权问题的国际关注。
He made only a veiled reference to international concerns over human rights issues.
他只是含蓄地提及对人权问题的国际关注。
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