I sipped my soda slowly, my stomach churning.

我不紧不慢地啜饮自己的苏打水，胃里直翻腾。

I never forget what it was like my stomach churning because of hunger at night.

我永远不会忘记晚上因为饥饿胃里翻江倒海的感觉。

I never forget what it was like with my stomach churning because of hunger at night.

我永远忘不了晚上饿得胃里翻江倒海的滋味。

But that heart-racing, stomach churning feeling is also a sign that embarrassment is doing its evolutionary job to help us follow society's rules.

但这种心跳加速、胃翻腾的感觉也表明，尴尬正在发挥其进化作用，帮助我们遵守社会规则。