电子学描述的是电力产生的作用。
对数百万失业者来说，通货膨胀率的微降是不起作用的安慰。
A small drop in the inflation rate was cold comfort for the millions without a job.
自海湾冲突以来，女性在战争中的作用一直是一个热门的争论话题。
The role of women in war has been a hot topic of debate since the Gulf conflict.
格里菲斯教授解释了该药似乎是怎样起作用的。
大约有30%的溺水是酒精的作用所致。
重要的是要理解在我们自己的行动背后起作用的那些强大的经济和社会力量。
It is important to understand the powerful economic and social forces at work behind our own actions.
通货膨胀因其对收入分配的反作用而被认为是不利的。
Inflation is considered to be undesirable because of its adverse effects on income distribution.
这些山丘是冰川作用形成的。
你必须得了解细胞之间是如何相互作用的。
贯穿这部连续剧的另一主线是医生们在心理疾病患者的治疗过程中的作用。
Another thread running through this series is the role of doctors in the treatment of the mentally ill.
锻炼是对长期保持体重有积极作用的少数因素之一。
Exercise is one of the few factors with a positive role in long-term maintenance of body weight.
与这些因素相结合的是肌肉之间复杂的相互作用的丧失，这种相互作用可以改变从鼻子到嘴的气流路线。
Coupled with these factors is the loss of the complex interactions among the muscles that can change the route of airflow from nose to mouth.
查尔斯·达尔文是第一个描述自然选择在物种形成中的作用的人，他描写了物种形成的机制。
Charles Darwin, the first to describe the role of natural selection in speciation, wrote about the mechanisms of speciation.
我能给你的最简单的定义是光谱学是研究物质和光之间相互作用的学科。
The simplest definition I can give you is that Spectroscopy is the study of the interaction between matter and light.
他说：“人类系统和我们赖以生存的环境是相互联系的，双方是相互作用的。”
"The human systems and the landscapes we live on are linked, and the interactions go both ways," he says.
“这似乎是自然选择在一个群体中发挥作用的完美机会。”伊拉尔多博士说。
"It seemed like the perfect chance for natural selection to act on a population," said Dr. Ilardo.
如今，除非产品真的起作用，否则人们是不会去用的，因此化妆品公司需要有科学给予的可信性。
Nowadays, people will not use unless the product really works, so cosmetics companies need the credibility given by science.
结果可能是，维生素E在预防中会起作用，但不能消除严重的损害。
It may turn out that vitamin E plays a role in prevention but cannot undo serious damage.
他说，如果有什么不同的话，那就是这项研究表明性别在大脑中起着非常重要的作用——“即使我们不清楚具体是如何起作用的。”
If anything, he said, the study suggests that gender plays a very important role in the brain—"even when we are not clear exactly how."
然而，几乎没有人能充分解释针灸是如何起作用的。
孩子们一直很高兴，想看看他们的惊讶是如何起作用的。
The children were in a constant state of joy, to see how their surprise had worked.
正如这里所指出的，社会疗法最明显的缺陷是它不能持久地发挥良好的作用。
The most glaring flaw of the social cure as it's presented here is that it doesn't work very well for very long.
棉花在历史上最重要的意义是它在工业革命中所起的作用。
The most important thing about cotton in history is the part that it played in the Industrial Revolution.
灌浇混凝土墙的稳定性是其他类型的墙无法发挥作用的原因之一。
Stability is one reason poured concrete walls work where other types won't.
这是我从母亲那里学到的一课：如果完美是可能的，它就失去激励作用。
This is the lesson I took from my mother: If perfection were possible, it would not be motivating.
一开始觉醒是普遍的，在脑干中有大量的脉冲，然后激活作用逐渐被输送。
Arousal is at first general, with a flooding of impulses in the brain stem; then gradually the activation is channeled.
科学家们是如何探测到一种很少与其他物质相互起作用的粒子的呢？
How can scientists detect a particle that interacts so infrequently with other matter?
然而，使所有的黑土形成冰川作用的问题是，在前寒武纪沉积物中广泛分布有黑土。
The problem with ascribing all tillites to glaciation, however, is that tillite deposits are widespread in Precambrian sediments.
消化是在口腔中唾液的作用下开始的。
对我来说，最终稍稍起决定性作用的是，这里的人们实际上跟我交谈了。
Sort of what tipped the scales for me was that like, people here actually talked to me.
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