Without the fight-flight reaction, man would never have survived the cave and the jungle.

人类作出争斗或逃避的反应使其在远古时代得以在洞穴或丛林中生存。

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Also known as the fight-or-flight response, acute stress is your body's immediate reaction to a significant threat, challenge or scare.

急性压力也被称为“逃跑或战斗的反应”，急性压力是你身体对重大威胁、挑战或恐慌做出的即时反应。

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The amygdala plays a role in responding to threats, and it can kick off a fight-or-flight reaction when it senses danger.

杏仁体之所以被称为“恐惧中枢”，是因为它能感应到危险并触发“打或逃”反应。

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