那儿的痒也许是由于接触刺激物而引起的。
It may be that the itching is caused by contact with irritant material.
它们的身体外部有刺激物来帮助它们梳理毛发。
They have the stimulus right there on the outside of their bodies in order to do the grooming.
最后，对呼吸道刺激物的咳嗽反射不会导致人们在睡眠期咳嗽，而会造成呼吸暂停。
Finally, the coughing reflex in reaction to irritants in the airway produces not a cough during sleep but a cessation of breathing.
随后的实验利用其它刺激物再现了该结果，如指甲刮擦黑板的声音和恶心的昆虫图片。
Subsequent experiments reproduced this effect with other stimuli, such as the sound of fingernails on a chalkboard and photographs of disgusting insects.
而在我们国家，文学上是接受了这些思想，但从不寻求在实践中运用它，我们只把它当作刺激物，来煽动我们作道德上的反抗。
In our country we received these in the letter, but never sought to make practical use of them, employing them only as a stimulant to incite ourselves to moral revolt.
然后，当屏幕的相应位置出现不同的刺激物时，他们必须抑制这种反应，而不去按下按钮。
They then had to inhibit that response and not press the button when a different stimulus appeared on the screen in its place.
尼古丁是另一种常见的刺激物，你最好戒烟否则就在睡前几小时停烟。
Nicotine is another common stimulant; you should quit or make your last cigarette of the day well before bed.
神经细胞和纤维仍在起作用，处理刺激物的空间位置属性，只不过不是视觉，而是通过听觉和触觉。
The neural cells and fibers are still there and still functioning, processing spatial attributes of stimuli, driven not by sight but by hearing and touch.
雄心是使他努力工作的刺激物。
美国人谈论中固有的关于刺激物的虚伪是惊人的。
The hypocrisy inherent in the American conversation about stimulants is staggering.
在文学中，人们谈的那些让人害怕的刺激物——蛇、蜘蛛、那些我们天生就怕的东西。
In the literature, people talk about prepared fear stimuli -snakes, spiders, things that we're innately prepared to be afraid of.
研究人员发现，在放有玩具和其它刺激物的“高级”环境中成长的幼鼠会将它们的认知经验传给下一代。
They found that young mice raised in an enriched environment -- with toys and other stimulation -- passed along the learning benefits to pups they had after they grew up.
这些神经元会对钉耙的远端所感受到的刺激物做出反射式放电，而对猴子手里抓着的这一端则没有反射。
They began to fire in response to stimuli at the end of the rake, not on the monkey’s hand.
这就是你的进化刺激物，理性地克服了恐惧。
This is your evolutionary incentive to logically get past your fears.
在一项实验中，多名志愿者被注射了强力的止痛剂，随后让他们接受一个疼痛的刺激物——由于止痛剂的原因，他们对疼痛毫无感觉。
In one experiment volunteers were given a powerful analgesic and subjected to a painful stimulus-which, because of the analgesic, they could not feel.
网络上嘈杂的刺激物使理性思考和潜意识思考短路，使人们无法进行深入思考和创造性思考。
The net's cacophony of stimuli short-circuits both conscious and unconscious thought, preventing people from thinking either deeply or creatively.
这只是一个美国巨大经济中的刺激物，亦或是情况更糟的开端？
Is this a mere irritant in America's vast economy, or the start of something much worse?
大量的准备工作表明简单地陈述刺激物对参与者的影响是不妥善的。
A great deal of previous work has shown that simply presenting the stimuli to the participant is usually not enough.
在实际的操作中减少刺激物之间的区别-说出两个球哪个比较重-直到被试区分不出来。
This is done by decreasing the differences between different stimuli - say the weight of two balls - until the participant can no longer tell them apart.
就算是一名有经验的、受过良好训练的、知道这个系统的存在并对显示屏作好了心理准备的嫌疑人，也不知道刺激物将会来自何处以及它们会是什么样子。
Even a skilled, well practised suspect who is aware of the system and who tries to prepare for the screening cannot know where the stimuli will come from and how they will appear.
当浮动汇率证实为刺激物而非软化剂，将汇率彻底的固定有着更大的吸引力。
When a floating exchange rate proves to be an irritant rather than an emollient, fixing it once and for all has greater appeal.
浴缸里的水溢出之前不会带来大问题，大量的花粉超过一定限度后就会成为刺激物了，他说。
Much as water in a bathtub is not a problem until it starts to overflow, pollen for many is not an irritant until it crosses a particular threshold, he said.
该法令是冷战的产物，虽已没有任何实际作用，却是影响两国关系的一个刺激物。
The law, a relic of the Cold War, has no practical effect but is a serious irritant in relations between the two countries.
我们开始议论食物中的‘环境毒物’，开始意识到一不留神就有可能拿到一袋有害健康的薯片，把刺激物从环境中移开不失为一条好计策。
We are starting to talk about 'toxic environments' with food and to understand how easy it is to mindlessly reach for a bag of potato chips.
研究婴儿大脑活动的主要方法是通过婴儿偏好新异刺激的方法：当重复呈现相同刺激时婴儿的注意开始漂移，而当新的刺激呈现时，注视点重新回到刺激物上。
The trick is to use their love of novelty to work out what is happening inside their brains: when shown the same things repeatedly, babies' eyes wander; when the scene changes, their gaze returns.
如果该研究可被证明是学习能力不减退的普遍规律，它便能帮助解释当刺激物不被注意时，学习力如何得到提高。
If this proves to be a general rule of nondeclarative learning, it could help to explain how potent instances of learning can arise when sensory stimulation is not always coupled with attention
后来萃取的方法更加更高科技化了，卡普阿公司的高压低温设备能将刺激物，bergaptene(一种脂)与油分离；然后将香油储存在氮气中防止其氧化。
Then it gets rather more high-tech. Capua's high-vacuum, low-temperature equipment removes bergaptene, an irritant, from the oil; and it is then stored under nitrogen gas to stop it oxidising.
工作场所的化学刺激物。
这一新的研究成果对下面这一理论表示支持，即咖啡因这种天然的刺激物会防碍一种被称为腺苷(adenosine)的激素发挥作用，从而使血管变得狭窄。腺苷的作用则是让血管保持宽敞。
Research has supported the idea that caffeine, a natural stimulant, Narrows blood vessels by blocking the effects of a hormone called adenosine, which normally keeps them widened.
这一新的研究成果对下面这一理论表示支持，即咖啡因这种天然的刺激物会防碍一种被称为腺苷(adenosine)的激素发挥作用，从而使血管变得狭窄。腺苷的作用则是让血管保持宽敞。
Research has supported the idea that caffeine, a natural stimulant, Narrows blood vessels by blocking the effects of a hormone called adenosine, which normally keeps them widened.
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