The human body is influenced by natural chemicals that produce "a sense of happiness", noted BBC News.
BBC 新闻指出，人体会受到能产生“幸福感”的天然化学物质的影响。
For example, doctors did not have devices allowing them to go inside the human body to detect health problems or to perform delicate surgery.
例如，医生没有能够进入人体内检测健康问题或进行精细外科手术的设备。
The human body doesn't discriminate between a big stressful event and a little one.
人类的身体不会区分大压力事件和小压力事件。
Classical Greek statues represented an idealization of the human body and were considered quite beautiful at the time.
古典希腊雕像代表了理想化的人体，这在当时被认为是相当美丽的。
Agriculture differs from the medical science of the human body in that its environment is not a contained one.
由于农业发展不是处于一个封闭环境中，因此它和人体医学有所不同。
This angelic laser begins slowly the gradual process of transforming the virginal human body to the essence of the soul itself.
这种天使般的激光慢慢地开始了一个渐进的过程，将贞洁的人体转化为灵魂的精髓。
Now hair, whatever it is for and wherever it is on the human body, is composed mainly of a protein called keratin.
不管毛发是用来做什么的，也不管它在人体的哪个部位，它都主要由一种叫做角蛋白的蛋白质组成。
Best of all, bananas provide different things that the human body needs! Bananas grow best in warm places that get lots of rain.
最重要的是，香蕉能提供人体所需的不同东西！香蕉在温暖多雨的地方生长得最好。
The human body can absorb no more than about a quart of water per hour, beyond which the brain can swell dangerously, says Dr. Goldfarb.
戈德法布博士称，人体每小时最多只能吸收大约一夸脱水，如果超过这个限度，大脑就会危险地膨胀。
In the cells of the human body itself, in the cells of every organ, of almost every type of tissue in the body, the same thing will happen eventually.
在人体自身的细胞中、在每个器官的细胞中、在人体几乎每一种组织中，同样的事情最终都会发生。
Thousands or even millions of tiny machines can be sent into the human body with specific tasks.
成千上万甚至上百万的微型机器可被送入人体执行特定的任务。
It makes people less tired, clears heat in the human body and helps people lose weight.
它使人不那么疲劳，清除体内的热量，帮助人们减肥。
It makes people feel less tired, clears heat inside the human body and helps people lose weight.
它使人感觉不那么累，清除体内的热量，帮助人们减肥。
At the height of 8,000 meters, there is only 30% O₂ and the human body can only stand this height for a few days, so it is dangerous for humans to climb higher.
在8000米的高度，只有30%的氧气，人体只能处于这个高度仅几天，所以人类再往上爬是危险的。
During the evolution of the human body, there are over 400 resident flora in our bowels.
在人体进化过程中，肠道内菌丛林立，常居菌种超过四百种。
The book focuses on six sections including zoology, the human body and botanics.
该书的主要内容包括生态、人体和植物等六大部分。
An experiment in Japan found melatonine can lessen the harm done by radiation to the human body.
日本一项实验显示褪黑素能减轻辐射对人体所产生的危害。
Right Way: Human body gets used to the same exercise routine and it gets bored with it.
正确的方法：人类的身体会习惯一些相同的锻炼程序并且觉得厌倦。
Rejection to me means that I am growing mentally and emotionally great for the human body by the way!
我每被拒绝一次，就意味着我的内心和情感又成长了一些(人的身体也是)。
And will life expectancy continue to soar, or does the human body come with a built-in limit?
预期寿命将会继续上升吗，抑或人类身体有一个内在的极限？
If I don't tell you these amaziing flowers are made of human body, maybe you will never find this fact.
如果我不告诉你这些奇异的花朵是由人体组成的话，你可能永远发现不了这一点！
When the substance enters the human body, it forces a reaction which the hybrid molecule itself controls.
当这种物质进入到人体，所发生的反应就会受这种合成分子的控制。
Some of these can travel through the human body, damaging cells and posing a hazard for humans.
其中一部分能穿透人体，损伤细胞从而对人体构成威胁。
Beards are the fastest growing hairs on the human body.
胡须是身体上生长最快的毛发。
The human brain accounts for roughly 2% of the total mass of the human body, yet it consumes over 20% of the oxygen and nutrients the human body intakes.
人类大脑重量大致占身体总重量的2%，然而却消耗超过20%的人身体所吸收的氧气和营养。
This seems especially crazy considering the human body only contains about 10 pints of blood.
这看起来相当的不可思议，人类身体总共只有约10品脱的血液。
The root of anything that can penetrate the human body triggers an ancestral fear, according to one neurologist.
一位神经学家说，任何能穿透人体的东西都能触发一种原始的恐惧。
The root of anything that can penetrate the human body triggers an ancestral fear, according to one neurologist.
一位神经学家说，任何能穿透人体的东西都能触发一种原始的恐惧。
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