One of the spider images was accompanied by a pain stimulus and the other was not.

一种蜘蛛的图像伴随着疼痛刺激而另一种却没有。

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Eventually the human volunteers exhibited a startle response upon seeing the first spider without the pain stimulus being administered.

最终，志愿者看到第一种蜘蛛时即使没有接受疼痛刺激也表现出惊惧反映反应。

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If Mr Aso plans further stimulus packages, publicizing them now might only heighten the tooth-pulling pain of passing the current measures.

如果麻生先生继续计划刺激方案，那这份计划的公布可能对如今这份草案的通过带来阵痛。

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Now the pain of a bite, being bit, and then the pain and fear of that is an unconditioned stimulus, unconditioned response.

咬伤所带来的疼痛感，和有此所带来的痛苦与恐惧,就是无条件刺激和无条件反应。

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Still, he says, there is a lot of pain out there that the stimulus doesn't seem to address.

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If the answer is letting the companies fail and then authorizing stimulus spending to reduce the pain and shorten the recovery, do that.

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It is better to remove the painful stimulus than to mask it with pain medications, which can also mask or dull the senses.

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