每日小短文背诵 （13）为什么会怕痒(1)
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Have you ever thought about why people are ticklish? According to scientists, ticklishness is a defense mechanism humans developed against bugs, spiders, and other critters that may be touching our skin. Feeling ticklish is our built-in response to predators or threats, and combines the sensations of touch and pain.
你有没有想过人为什么会怕痒？根据科学家的观点，怕痒是一种防御机制，是人类把它培养来对付那些可能接触我们皮肤的虫子、蜘蛛或其它生物。怕痒是我们对侵扰者或威胁产生的内在反应，它使触觉和痛觉结合起来了。