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鱼类竟也怕“痒”?鲨鱼成天然“挠痒神器”,真相令人意外!
瘙痒,这一在日常生活中频繁造访的感觉,对人类而言并不陌生。它虽不如疼痛那般剧烈,却足以让人忍不住去挠。然而,当我们思考瘙痒这一感觉是否也存在于其他生物,尤其是鱼类时,问题就变得复杂起来。
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