butterflies in the stomach

基本解释

For instance, activation in some parts of the brain can generate stimulations to the heart, butterflies in the stomach.
比如说，大脑的某些部位的活动可以产生对心的刺激，紧张地发抖。
Butterflies in the stomach—signaling in the gut as part of our physiological stress response, Gershon says—is but one example.
胃不舒服——肠道信号——生理应激反应的一部分，迈尔说——这只是一个例子。
Butterflies in the stomach are often seen as a positive and harmless sign of subconscious feelings for romantic interest and are caused by the release of mood-altering endorphins.
小鹿乱撞常常是一个正面、无害的信号，来自于不确定的恋爱的浪漫感觉，由引导情绪功能的脑内啡导致。