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每个人在与自己不熟悉或比较重要的人交往时,都会出现一种紧张或激动感,并反射性地引起人体交感神经兴奋,去甲肾上腺素等儿茶酚胺类物质分
Everyone in their own unfamiliar or more important when dealing with people, there will be a sense of tension or excitement, and reflex caused by sympathetic nervous excitement, norepinephrine and other catecholamines sub-points