科学家们发现植物之间一直在交流。他们的语言是一种化学物质。
Scienists have found that plants talk to each other all the time. Their language is a kind of chemical.
毒品是一种化学物质。
A：烟瘾是一种化学物质吸食成瘾，很难治疗。
A: Addictions are difficult to treat because of the biochemical dependencies our bodies have made to the addicting substance.
铅是一种化学物质，可以作为建材使用。
Lead is a chemical element that can be used in building construction.
去甲肾上腺素是一种化学物质，提高我们的情绪，并作用在协力和焦虑上。
Noradrenaline is a chemical that elevates our moods and affects stress and anxiety. The more concentrated the amounts of these two chemicals, the happier we are!
BABA是一种化学物质，其可以使植物在面对生物性或非生物性逆境时产生较快的防御反应。
BABA is a chemical which is able to induce rapidly mount defense responses of plants to biotic or abiotic stresses.
红酒不能同海鲜搭配几乎成了美食鉴赏家们的虔诚的教条，他们的理由是两者混合常常导致浓重的仍人不愉快的腥臭的回味，针对这一糟糕的搭配的传统解释是基于单宁酸的存在的，单宁酸是一种化学物质，它让红酒尝起来很干，并且会是嘴巴皱起来。
THAT red wine is not to be paired with seafood is nearly a religious dogma among connoisseurs. Their reason is that the combination usually results in a strong and unpleasant fishy aftertaste.
信息素和odorants （被检测为气味的化学物质）之间的区别可能是模糊的，一些研究人员将信息素归类为一种 odorant。
The distinction between pheromones and odorants—chemicals that are consciously detected as odors—can be blurry, and some researchers classify pheromones as a type of odorant.
但当我们用化学方法分析这些细胞时，我们发现了一些非常有趣的东西，其中有一种化学物质，是一种叫做端粒酶的酶。
But when we analyze these cells chemically, we find something very interesting, a chemical in them, an enzyme called telomerase.
为了使一种化学物质被认为是一种药物，它必须具有影响人体运作的能力。
In order for a chemical to be considered a drug, it must have the capacity to affect how the body works.
他说，一种可能性是，眼泪会从身体中释放出某些化学物质，这些化学物质是在压力下积聚起来的。
One possibility he says is that tears discharge certain chemicals from your body, chemicals that build up during stress.
它显然是通过抑制神经递质的释放来做到这一点的。神经递质是一种将神经冲动从一个神经元传递到另一个神经元的化学物质。
It apparently does this by inhibiting the release of neurotransmitters, chemicals that carry nerve impulses from one neuron to the next.
有趣的是，当我们的大脑得到新信息时，它会释放一种与快乐相关的化学物质，使得寻找信息成为像进食一样的另一种惬意活动。
An interesting thing is that our brain will release a pleasure-related chemical when it has been given new information, making seeking information much like eating—another pleasant activity.
对于你没能成功做到这一点，我并不感到惊讶——你的这种恼怒是一种强有力的化学物质，再多的自我鞭策、再多教练的陈词滥调都不会奏效。
I'm not surprised you haven't succeeded - irritation such as yours is a potent, chemical thing, and no amount of whipping oneself with birch sticks or platitudes from coaches is going to help.
但是，只有在经过一道去除棉子酚的深加工精炼程序之后，棉籽才能食用。棉子酚能保护棉花植株免受昆虫及微生物的侵扰，是一种有毒的化学物质。
But the seeds can be consumed only after an extensive refining process removes the gossypol, a toxic chemical that helps protect the plant from insect and microbe infestation.
抽烟产生的烟雾是一种混合的气体，包括气化的化学物质，极小的灰末微粒和其它固体，还有毒性很强的尼古丁和黑焦油。
Smoke is a mixture of gases, vaporized chemicals, minute particles of ash, and other solids. There is also nicotine, which is a powerful poison, and black tar.
一种可能替代是使用一族称为阿凡曼菌素的化学物质。
One possibility is to use one of a group of chemicals called avermectins.
如果一种疾病与数以百计的罕见变异有关，则可能意味着太多人体的生物化学物质是有用的。
If hundreds of rare variants are involved in a disease, they may implicate too much of the body's biochemistry to be useful.
人们对于这项法案的批评是，这项法案假设一种化学物质是安全的，直到它被证明具有毒性。
People's criticism of that law is that it has tended to treat chemicals as safe until proven to be dangerous.
据知，化学物质镉是一种致癌物质。跟铅类似，镉在人非常小的时候会阻碍大脑的发育。
Cadmium is a known carcinogen and is similar to lead in that it can hinder brain development in the very young.
从神经学的角度来说，一个想法只是一种分泌物，是位于两个大脑细胞连接处(突触)的化学物质中的一小滴。
From a neuroscience viewpoint, a thought is just a secretion, a droplet of a chemical where two brain cells connect (synapse).
研究报告的主要撰写者、比利时国家科研基金会的埃尔弗莱德·伯纳德说，罪魁祸首可能是清洁公共浴池所用的氯产生的一种化学物质--三氯胺。
The lead author, Alfred Bernard of Belgium's National Fund for Scientific Research, said a possible culprit was the chemical trichloramine, a by-product of the chlorine used to clean public pools.
神经传递素是一种在神经细胞间传递信号的化学物质，在ADHD患者中，这种化学物质常常是指多巴胺，该物质的作用是调节愉悦和满足感。
A neurotransmitter is a chemical that carries messages between nerve cells and, in the case of ADHD, that chemical is often dopamine, which controls feelings of reward and pleasure.
双酚a是一种内含在塑料瓶装水，奶瓶和金属罐，甚至收款机收据上的化学物质，它会增加患乳癌和心脏病的风险。
BPA, a chemical often found in plastic water and baby bottles and metal cans-even cash register receipts-has been linked to increased risk for breast cancer and heart disease.
但是他们一直不断地吸烟是因为他们对尼古丁上瘾了，一种香烟里的或者是无烟烟草里的一种化学物质。
But they keep on smoking because they became addicted to nicotine, one of the chemicals in cigarettes and smokeless tobacco.
臭氧是一种利弊两全的化学物质。是利是弊，这得看它在哪儿出现。
Ozone is a chemical that can be both friend and foe to human beings - depending on where it is.
这个基因称为5-HTT基因，涉及大脑中血清素的运输，血清素是一种让人感到愉悦的化学物质。
The gene, known as 5-HTT, is involved with the transport of serotonin, a feelgood chemical, in the brain.
蓝莓是含有一种名叫花青甙素的化学物质，它有助于大脑信息流畅，减缓大脑细胞随年龄增长而衰减的速度。
Blueberries contain a compound of chemicals called anthocyanins, which help improve the flow of information to the brain and halt the speed at which cells deteriorate with age.
研究人员得出的结论是，焦虑不安会引起一种化学物质的释放，这种化学物质绕过神志清醒的感受，可以自动触发嗅闻者的同类情绪。
The researchers conclude that anxiety prompts the release of a chemical that bypasses conscious experience, automatically triggering similar feelings in anyone who sniffs it.
丁香是印度常见的烹饪用芳香调味品，含有一种叫做丁香酚的抗炎化学物质。
Cloves, an aromatic spice common in Indian cooking, contain an anti-inflammatory chemical called eugenol.
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