每日背誦第一期14
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.
你有沒(méi)有想過(guò)人為什么會(huì)怕癢？根據(jù)科學(xué)家的觀點(diǎn)，怕癢是一種防御機(jī)制，是人類把它培養(yǎng)來(lái)對(duì)付那些可能接觸我們皮膚的蟲子、蜘蛛或其它生物。怕癢是我們對(duì)侵?jǐn)_者或威脅產(chǎn)生的內(nèi)在反應(yīng)，它使觸覺(jué)和痛覺(jué)結(jié)合起來(lái)了。
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