butterflies in the stomach

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  • n.

    神经质的发抖;

  • 英英释义

    Butterflies in the stomach

    • Butterflies in the stomach is the physical sensation in humans of a "fluttery"feeling in the stomach, caused by a reduction of blood flow to the organ. This is as a result of the release of adrenaline in the fight-or-flight response, which causes increased heart rate and blood pressure, consequently sending more blood to the muscles.

    以上来源于:Wikipedia

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